Weather for Yellowstone National Park, Wyoming
Current Weather
Humidity: 70%
Feels Like: 39.9°F
Wind: SE 3.8 mph
Wind Gusts: 8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast
Tue
H: 77°F
L: 50°F
Wed
H: 78°F
L: 53°F
Thu
H: 70°F
L: 51°F
Fri
H: 68°F
L: 45°F
Sat
H: 75°F
L: 42°F
Air Quality
Nitrogen Dioxide: 2.85 μg/m3
Sulphur Dioxide: 0.34 μg/m3
Ozone: 104 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:10 PM
Daylight: 15 hrs 24 mins
Moon Transit: 12:00 AM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM8:17 AM - 10:47 AM
Minor Periods
7:38 PM - 9:08 PM2:43 AM - 4:13 AM
Action Rating: 3 out of 5
Fire Weather Watch issued July 7 at 1:46PM MDT until July 9 at 9:00PM MDT by NWS Pocatello ID
Effective: Mon July 7, 2025, 1:46 PM
Expires: Tue July 8, 2025, 5:30 AM
...FIRE WEATHER WATCHES IN EFFECT WEDNESDAY FOR SOUTHEAST IDAHO FIRE WEATHER ZONES 410 413 425 AND 427 DUE TO GUSTY WIND AND LOW HUMIDITY... .A dry cold front that should swing through Wednesday night will bring an increase in the wind on Wednesday afternoon and evening that will combine with very low relative humidity in portions of southern Idaho to produce critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou Range/Caribou NF. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...When these weather conditions combine with critically dry fuels, extreme fire behavior, including intensity and spread rate, can result.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Fire Weather Watch issued July 7 at 1:46PM MDT until July 9 at 9:00PM MDT by NWS Pocatello ID
Effective: Mon July 7, 2025, 1:46 PM
Expires: Tue July 8, 2025, 5:30 AM
...FIRE WEATHER WATCHES IN EFFECT WEDNESDAY FOR SOUTHEAST IDAHO FIRE WEATHER ZONES 410 413 425 AND 427 DUE TO GUSTY WIND AND LOW HUMIDITY... .A dry cold front that should swing through Wednesday night will bring an increase in the wind on Wednesday afternoon and evening that will combine with very low relative humidity in portions of southern Idaho to produce critical fire weather conditions. * AFFECTED AREA...Fire Weather Zone 410 Upper Snake River Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou Range/Caribou NF. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...When these weather conditions combine with critically dry fuels, extreme fire behavior, including intensity and spread rate, can result.
A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
Weather Forecast
Average Temperature: 65.7°F
Average Humidity: 31%
Wind: 15.9 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 0.36 μg/m3
Ozone: 113.4 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:10 PM
Daylight: 15 hrs 24 mins
Moon Transit: 12:00 AM
Moonset: 3:13 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM8:17 AM - 10:47 AM
Minor Periods
7:38 PM - 9:08 PM2:43 AM - 4:13 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67°F
Average Humidity: 26%
Wind: 15.7 mph
UV Index: 3
Air Quality
Nitrogen Dioxide: 5.58 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 108.84 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:09 PM
Daylight: 15 hrs 23 mins
Moon Transit: 12:06 AM
Moonset: 4:04 AM
Moon Phase: Full
Moon Illumination: 99.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:11 AM - 11:41 AM
Minor Periods
8:30 PM - 10:00 PM3:34 AM - 5:04 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 61°F
Average Humidity: 46%
Wind: 14.5 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 5.09 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 112.96 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:09 PM
Daylight: 15 hrs 21 mins
Moon Transit: 1:01 AM
Moonset: 5:06 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:31 AM - 3:01 AM10:06 AM - 12:36 AM
Minor Periods
9:11 PM - 10:41 PM4:36 AM - 6:06 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 55°F
Average Humidity: 57%
Wind: 10.7 mph
UV Index: 2.7
Air Quality
Nitrogen Dioxide: 1.56 μg/m3
Sulphur Dioxide: 0.12 μg/m3
Ozone: 97.96 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:08 PM
Daylight: 15 hrs 20 mins
Moon Transit: 1:55 AM
Moonset: 6:16 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
1:25 AM - 3:55 AM11:00 AM - 1:30 PM
Minor Periods
9:45 PM - 11:15 PM5:46 AM - 7:16 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 54.5°F
Average Humidity: 55%
Wind: 13.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0.67 μg/m3
Sulphur Dioxide: 0.17 μg/m3
Ozone: 125 μg/m3
Astronomical
Sun Transit: 1:28 PM
Sunset: 9:07 PM
Daylight: 15 hrs 18 mins
Moon Transit: 2:47 AM
Moonset: 7:29 AM
Moon Phase: Full
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
2:17 AM - 4:47 AM11:51 AM - 2:21 PM
Minor Periods
10:12 PM - 11:42 PM6:59 AM - 8:29 AM
Action Rating: 3 out of 5