Rule Fire Sky

Fire Sky Forecast for Big Bend, US Southwest

Terlingua, Texas, United States

Big Bend frames the Chisos Mountains, Chihuahuan Desert and Rio Grande canyons in broad layers, with spring wildflowers appearing in favorable years.

3 matching opportunities in the 14-day forecast.

Hourly forecast scores

Forecast valid from Oct 6, 2026, 6:00 AM UTC (one hour; not an observation)

Fiery Red Sky Potential

Low Cloud Cover0%

Mid Cloud Cover0%

High Cloud Cover0%

Aerosol Optical Depth0.1

Sun Elevation-63.8°

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Denver

First upcoming window

Excellent Fiery Red Sky at Sunrise

Big Bend

Sun, Oct 11 · 07:00–07:24 · 1h window

Low confidence

45%

🔥Fiery Red Sky Potential76%

Low Cloud Cover: 0%

Mid Cloud Cover: 2%

High Cloud Cover: 35%

Sun Elevation: 1.0° (Golden hour)

Good Fiery Red Sky at Sunrise

Big Bend

Mon, Oct 12 · 07:00–07:25

🔥Fiery Red Sky Potential:67.4%

Low

Good Fiery Red Sky at Sunrise

Big Bend

Mon, Oct 19 · 07:00–07:30

🔥Fiery Red Sky Potential:69.8%

Low

72-hour requirements breakdown

When available, this detailed table covers only the stated 72-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the full 14-day forecast period, so this table does not explain that entire period. Times shown in America/Denver.

Most common blockers

Ranked across the 73-hour forecast horizon, not the full opportunity period.

Fiery Red Sky Potential100% of hours
Golden Hour88% of hours

0matching hours in the displayed 72-hour forecast

AND logic: all conditions required

Meets requirement

Misses requirement

Time America/Denver	Golden Hour Any	Fiery Red Sky Potential ≥ 65.0%	Precipitation Chance ≤ 15.0%	Visibility ≥ 8000.0m
Tue, Oct 6
Rule fails. 24:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 6.7%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 25500m. Meets requirement
Rule fails. 01:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 31%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 23200m. Meets requirement
Rule fails. 02:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 30%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 21900m. Meets requirement
Rule fails. 03:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 22%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 20600m. Meets requirement
Rule fails. 04:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 6%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 19300m. Meets requirement
Rule fails. 05:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 33%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 18500m. Meets requirement
Rule fails. 06:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 19%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 18200m. Meets requirement
Rule fails. 07:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 28%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 17800m. Meets requirement
Rule fails. 08:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 9.7%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 18500m. Meets requirement
Rule fails. 09:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 9.2%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 21900m. Meets requirement
Rule fails. 10:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 11%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 28400m. Meets requirement
Rule fails. 11:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 8.5%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 33100m. Meets requirement
Rule fails. 12:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 13%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 38900m. Meets requirement
Rule fails. 13:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 23%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 47100m. Meets requirement
Rule fails. 14:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 27%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 53000m. Meets requirement
Rule fails. 15:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 30%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 57200m. Meets requirement
Rule fails. 16:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 15%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 61500m. Meets requirement
Rule fails. 17:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 6.4%. Misses requirement	Precipitation Chance: 3%. Meets requirement	Visibility: 53000m. Meets requirement
Rule fails. 18:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 5.2%. Misses requirement	Precipitation Chance: 3%. Meets requirement	Visibility: 54700m. Meets requirement
Rule fails. 19:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 17%. Misses requirement	Precipitation Chance: 3%. Meets requirement	Visibility: 52000m. Meets requirement
Rule fails. 20:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 17%. Misses requirement	Precipitation Chance: 3%. Meets requirement	Visibility: 50400m. Meets requirement
Rule fails. 21:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 16%. Misses requirement	Precipitation Chance: 3%. Meets requirement	Visibility: 47300m. Meets requirement
Rule fails. 22:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 18%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 45200m. Meets requirement
Rule fails. 23:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 26%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 44200m. Meets requirement
Wed, Oct 7
Rule fails. 24:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 30%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 44700m. Meets requirement
Rule fails. 01:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 29%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 40100m. Meets requirement
Rule fails. 02:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 11%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 32300m. Meets requirement
Rule fails. 03:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 33%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 38300m. Meets requirement
Rule fails. 04:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 30%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 34600m. Meets requirement
Rule fails. 05:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 34%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 29400m. Meets requirement
Rule fails. 06:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 27%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 28500m. Meets requirement
Rule fails. 07:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 51%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 29400m. Meets requirement
Rule fails. 08:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 30%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 30300m. Meets requirement
Rule fails. 09:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 18%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 37400m. Meets requirement
Rule fails. 10:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 8.1%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 42900m. Meets requirement
Rule fails. 11:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 6.9%. Misses requirement	Precipitation Chance: 1%. Meets requirement	Visibility: 46500m. Meets requirement
Rule fails. 12:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 5.8%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 52100m. Meets requirement
Rule fails. 13:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 5.4%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 56500m. Meets requirement
Rule fails. 14:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 6.7%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 59400m. Meets requirement
Rule fails. 15:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 17%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 66300m. Meets requirement
Rule fails. 16:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 9.6%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 59735m. Meets requirement
Rule fails. 17:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 15%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 49120m. Meets requirement
Rule fails. 18:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 9%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 36755m. Meets requirement
Rule fails. 19:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 23%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 20:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 4.7%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 21:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 4.8%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 22:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 4.9%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 23:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 5.9%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Thu, Oct 8
Rule fails. 24:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 14%. Misses requirement	Precipitation Chance: 0%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 01:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 20%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 02:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 21%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 03:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 11%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 04:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 8.7%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 05:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 19%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 06:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 37%. Misses requirement	Precipitation Chance: 2%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 07:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 19%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 08:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 09:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 10:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 11:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 12:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 5%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 13:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 14:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 15:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 16:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 17:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 18:00	Golden Hour: Yes. Meets requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 6%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 19:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 14%. Misses requirement	Precipitation Chance: 4%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 20:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 4%. Meets requirement	Visibility: 21760m. Meets requirement
Rule fails. 21:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 4%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 22:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 4%. Meets requirement	Visibility: 24140m. Meets requirement
Rule fails. 23:00	Golden Hour: No. Misses requirement	Fiery Red Sky Potential: 0%. Misses requirement	Precipitation Chance: 4%. Meets requirement	Visibility: 24140m. Meets requirement

How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

Supporting forecast inputs

Additional hourly values for interpreting the forecast and any derived scores. See the separate requirements breakdown for rule logic; missing values are unavailable.

Forecast time (America/Denver)	Aerosol Optical Depth (550nm)	Clear Sky Probability (Ensemble)	Cloud Cover Uncertainty (Ensemble)	Dust AOD (550nm)	Golden Hour	High Clouds	Low Clouds	Mid-Level Clouds	RH @ 700 hPa	Smoke AOD (550nm)	Solar Elevation	Sunshine Duration
Tue, Oct 6, 2026Sunrise 06:50 · Sunset 18:33
24:00 Night	0.08	95%	10%	0.001	Unavailable	0%	0%	0%	81%	0.01	-64°	0seconds
01:00 Night	0.08	86%	15%	0.001	Unavailable	0%	0%	0%	82%	0.01	-65°	0seconds
02:00 Night	0.08	78%	21%	0.001	Unavailable	0%	0%	0%	83%	0.01	-60°	0seconds
03:00 Night	0.08	69%	26%	0.001	Unavailable	0%	0%	0%	85%	0.01	-50°	0seconds
04:00 Night	0.08	66%	26%	0.001	Unavailable	0%	0%	0%	86%	0.01	-38°	0seconds
05:00 Night	0.08	64%	25%	0.001	Unavailable	0%	0%	0%	87%	0.01	-25°	0seconds
06:00 Night	0.08	61%	25%	0.001	Unavailable	0%	0%	0%	88%	0.01	-12°	0seconds
07:00	0.08	63%	26%	0.001	Unavailable	0%	0%	0%	87%	0.01	1.6°	0seconds
08:00	0.07	66%	26%	0.001	Unavailable	0%	0%	0%	86%	0.01	14°	3600seconds
09:00	0.08	68%	27%	0.001	Unavailable	0%	0%	0%	85%	0.01	26°	3600seconds
10:00	0.08	70%	26%	0.001	Unavailable	0%	3%	0%	85%	0.01	38°	3600seconds
11:00	0.08	73%	25%	0.001	Unavailable	0%	3%	0%	85%	0.01	48°	3600seconds
12:00	0.07	75%	24%	0.001	Unavailable	0%	2%	0%	85%	0.01	54°	3600seconds
13:00	0.06	63%	22%	0.001	Unavailable	0%	1%	0%	85%	0.01	55°	3600seconds
14:00	0.06	50%	21%	0.001	Unavailable	0%	13%	0%	86%	0.01	51°	3600seconds
15:00	0.06	38%	19%	0.001	Unavailable	0%	2%	1%	86%	0.01	42°	3600seconds
16:00	0.06	29%	19%	0.001	Unavailable	0%	7%	4%	87%	0.01	31°	3600seconds
17:00	0.06	21%	18%	0.001	Unavailable	0%	100%	9%	88%	0.01	19°	0seconds
18:00	0.06	12%	18%	0.001	Unavailable	0%	95%	0%	89%	0.01	6.6°	0seconds
19:00 Night	0.05	18%	23%	0.001	Unavailable	0%	93%	0%	86%	0.01	-6.4°	0seconds
20:00 Night	0.05	24%	27%	0.001	Unavailable	0%	43%	0%	84%	0.01	-20°	0seconds
21:00 Night	0.05	30%	32%	0.001	Unavailable	0%	2%	0%	81%	0.01	-32°	0seconds
22:00 Night	0.05	30%	31%	0.001	Unavailable	0%	0%	0%	82%	0.01	-45°	0seconds
23:00 Night	0.06	29%	29%	0.001	Unavailable	0%	0%	0%	82%	0.01	-56°	0seconds
Wed, Oct 7, 2026Sunrise 06:51 · Sunset 18:32
24:00 Night	0.06	29%	28%	0.001	Unavailable	0%	0%	0%	83%	0.01	-64°	0seconds
01:00 Night	0.06	28%	31%	0.001	Unavailable	0%	0%	0%	80%	0.01	-66°	0seconds
02:00 Night	0.06	28%	33%	0.001	Unavailable	0%	0%	0%	77%	0.01	-60°	0seconds
03:00 Night	0.07	27%	36%	0.001	Unavailable	0%	0%	0%	74%	0.01	-50°	0seconds
04:00 Night	0.07	26%	36%	0.001	Unavailable	0%	0%	0%	74%	0.01	-38°	0seconds
05:00 Night	0.07	25%	35%	0.001	Unavailable	0%	0%	0%	74%	0.01	-25°	0seconds
06:00 Night	0.07	24%	35%	0.001	Unavailable	0%	0%	0%	74%	0.01	-12°	0seconds
07:00	Unavailable	31%	36%	Unavailable	Unavailable	0%	0%	0%	72%	Unavailable	1.4°	0seconds
08:00	Unavailable	37%	36%	Unavailable	Unavailable	0%	0%	0%	70%	Unavailable	14°	3600seconds
09:00	Unavailable	44%	37%	Unavailable	Unavailable	0%	0%	0%	69%	Unavailable	26°	3600seconds
10:00	Unavailable	47%	35%	Unavailable	Unavailable	0%	6%	0%	64%	Unavailable	38°	3600seconds
11:00	Unavailable	51%	33%	Unavailable	Unavailable	0%	4%	0%	60%	Unavailable	47°	3600seconds
12:00	Unavailable	54%	31%	Unavailable	Unavailable	0%	1%	0%	56%	Unavailable	54°	3600seconds
13:00	Unavailable	59%	30%	Unavailable	Unavailable	0%	0%	0%	66%	Unavailable	55°	3600seconds
14:00	Unavailable	64%	30%	Unavailable	Unavailable	0%	4%	0%	76%	Unavailable	50°	3600seconds
15:00	Unavailable	69%	29%	Unavailable	Unavailable	0%	19%	0%	85%	Unavailable	42°	3600seconds
16:00	Unavailable	65%	30%	Unavailable	Unavailable	0%	3%	0%	79%	Unavailable	31°	3600seconds
17:00	Unavailable	60%	30%	Unavailable	Unavailable	0%	0%	0%	72%	Unavailable	19°	3600seconds
18:00	Unavailable	56%	31%	Unavailable	Unavailable	0%	0%	0%	65%	Unavailable	6.4°	3600seconds
19:00 Night	Unavailable	57%	33%	Unavailable	Unavailable	0%	0%	0%	68%	Unavailable	-6.7°	728seconds
20:00 Night	Unavailable	59%	34%	Unavailable	Unavailable	0%	0%	0%	71%	Unavailable	-20°	0seconds
21:00 Night	Unavailable	60%	36%	Unavailable	Unavailable	0%	0%	0%	74%	Unavailable	-33°	0seconds
22:00 Night	Unavailable	61%	34%	Unavailable	Unavailable	0%	0%	0%	75%	Unavailable	-45°	0seconds
23:00 Night	Unavailable	61%	33%	Unavailable	Unavailable	0%	0%	0%	76%	Unavailable	-56°	0seconds
Thu, Oct 8, 2026Sunrise 06:51 · Sunset 18:31
24:00 Night	Unavailable	62%	31%	Unavailable	Unavailable	0%	0%	0%	77%	Unavailable	-65°	0seconds
01:00 Night	Unavailable	59%	33%	Unavailable	Unavailable	0%	0%	0%	79%	Unavailable	-66°	0seconds
02:00 Night	Unavailable	57%	34%	Unavailable	Unavailable	0%	0%	0%	80%	Unavailable	-60°	0seconds
03:00 Night	Unavailable	54%	36%	Unavailable	Unavailable	0%	0%	0%	81%	Unavailable	-50°	0seconds
04:00 Night	Unavailable	51%	34%	Unavailable	Unavailable	0%	0%	0%	81%	Unavailable	-38°	0seconds
05:00 Night	Unavailable	49%	33%	Unavailable	Unavailable	0%	0%	5%	81%	Unavailable	-25°	0seconds
06:00 Night	Unavailable	46%	31%	Unavailable	Unavailable	0%	0%	5%	81%	Unavailable	-12°	0seconds
07:00	Unavailable	47%	32%	Unavailable	Unavailable	0%	0%	5%	81%	Unavailable	1.3°	0seconds
08:00	Unavailable	48%	34%	Unavailable	Unavailable	0%	0%	5%	81%	Unavailable	14°	3600seconds
09:00	Unavailable	49%	35%	Unavailable	Unavailable	0%	0%	0%	82%	Unavailable	26°	3600seconds
10:00	Unavailable	50%	35%	Unavailable	Unavailable	0%	0%	0%	82%	Unavailable	37°	3600seconds
11:00	Unavailable	50%	34%	Unavailable	Unavailable	0%	0%	0%	83%	Unavailable	47°	3600seconds
12:00	Unavailable	51%	34%	Unavailable	Unavailable	0%	0%	0%	83%	Unavailable	53°	3600seconds
13:00	Unavailable	44%	34%	Unavailable	Unavailable	0%	0%	0%	86%	Unavailable	54°	3600seconds
14:00	Unavailable	37%	33%	Unavailable	Unavailable	0%	0%	5%	89%	Unavailable	50°	3600seconds
15:00	Unavailable	30%	33%	Unavailable	Unavailable	0%	8%	0%	92%	Unavailable	41°	3600seconds
16:00	Unavailable	27%	32%	Unavailable	Unavailable	0%	0%	0%	89%	Unavailable	31°	3600seconds
17:00	Unavailable	24%	30%	Unavailable	Unavailable	0%	0%	5%	86%	Unavailable	19°	3600seconds
18:00	Unavailable	21%	29%	Unavailable	Unavailable	0%	100%	100%	83%	Unavailable	6.1°	871seconds
19:00 Night	Unavailable	34%	31%	Unavailable	Unavailable	0%	0%	0%	78%	Unavailable	-6.9°	763seconds
20:00 Night	Unavailable	48%	32%	Unavailable	Unavailable	100%	0%	10%	73%	Unavailable	-20°	0seconds
21:00 Night	Unavailable	61%	34%	Unavailable	Unavailable	0%	0%	10%	68%	Unavailable	-33°	0seconds
22:00 Night	Unavailable	61%	33%	Unavailable	Unavailable	5%	0%	100%	74%	Unavailable	-45°	0seconds
23:00 Night	Unavailable	60%	33%	Unavailable	Unavailable	5%	0%	100%	79%	Unavailable	-57°	0seconds

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fire Sky conditions across US Southwest. The requirements and hourly values above show how those signals apply at Big Bend.

Explore Fire Sky conditions across US Southwest →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Big Bend during the last 365 days.

Last 30 days

recorded matching windows · 66% average confidence

Last 90 days

recorded matching windows · 71% average confidence

Last 365 days

recorded matching windows · 73% average confidence

Most frequent recorded start hour

06:00 local time, shared by 35 of 40 matches recorded in the last 365 days.

Most represented month

May, with 10 of 40 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →

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