Weather for Norris, Montana
Current Weather
Humidity: 45%
Feels Like: 76.7°F
Wind: WNW 3.1 mph
Wind Gusts: 6.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Thu
H: 89°F
L: 51°F
Fri
H: 88°F
L: 47°F
Sat
H: 87°F
L: 52°F
Sun
H: 82°F
L: 48°F
Mon
H: 88°F
L: 50°F
Air Quality
Nitrogen Dioxide: 22.39 μg/m3
Sulphur Dioxide: 2.22 μg/m3
Ozone: 45 μg/m3
Astronomical
Sun Transit: 1:31 PM
Sunset: 8:35 PM
Daylight: 14 hrs 8 mins
Moon Transit: 5:36 AM
Moonset: 1:00 PM
Moon Phase: Waning Gibbous
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
5:06 AM - 7:36 AM2:33 PM - 5:03 PM
Minor Periods
10:25 PM - 11:55 PM12:30 AM - 2:00 PM
Action Rating: 2 out of 5
Red Flag Warning issued August 14 at 1:03PM MDT until August 14 at 8:00PM MDT by NWS Riverton WY
Effective: Thu August 14, 2025, 1:03 PM
Expires: Thu August 14, 2025, 8:00 PM
* IMPACTS: Low Humidities...Very Dry Fuels...Warm Temperatures... Strong Gusty Winds...Dry Thunderstorms and outflow winds...and Increasing Thunderstorm Activity could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....288. In Northwest WY Fire Zones...140...286...415. In West Central WY Fire Zones...414...416. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs...Park. In Northwest WY...Yellowstone National Park. In West Central WY...Lincoln...Sublette...Teton. * WIND: West 10 to 20 mph with gusts up to 30 mph. * THUNDERSTORMS: There is a 20 to 40 percent chance of thunderstorms, with gusty winds and frequent lightning being the main threats. * HUMIDITY: Higher elevations will see RHs around 20 percent, however lower valleys will see RHs around 15 percent. * TEMPERATURES: Highs in the mid 70s.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Red Flag Warning issued August 14 at 1:03PM MDT until August 14 at 8:00PM MDT by NWS Riverton WY
Effective: Thu August 14, 2025, 1:03 PM
Expires: Thu August 14, 2025, 8:00 PM
* IMPACTS: Low Humidities...Very Dry Fuels...Warm Temperatures... Strong Gusty Winds...Dry Thunderstorms and outflow winds...and Increasing Thunderstorm Activity could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....288. In Northwest WY Fire Zones...140...286...415. In West Central WY Fire Zones...414...416. * COUNTIES AFFECTED: In Central WY...Fremont. In North Central WY...Hot Springs...Park. In Northwest WY...Yellowstone National Park. In West Central WY...Lincoln...Sublette...Teton. * WIND: West 10 to 20 mph with gusts up to 30 mph. * THUNDERSTORMS: There is a 20 to 40 percent chance of thunderstorms, with gusty winds and frequent lightning being the main threats. * HUMIDITY: Higher elevations will see RHs around 20 percent, however lower valleys will see RHs around 15 percent. * TEMPERATURES: Highs in the mid 70s.
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Weather Forecast
Average Temperature: 70°F
Average Humidity: 30%
Wind: 19 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 9.32 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 78.92 μg/m3
Astronomical
Sun Transit: 1:31 PM
Sunset: 8:35 PM
Daylight: 14 hrs 8 mins
Moon Transit: 5:36 AM
Moonset: 1:00 PM
Moon Phase: Waning Gibbous
Moon Illumination: 61.6%
Best Times for Fishing or Hunting
Major Periods
5:06 AM - 7:36 AM2:33 PM - 5:03 PM
Minor Periods
10:25 PM - 11:55 PM12:30 AM - 2:00 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.9°F
Average Humidity: 38%
Wind: 18.3 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 9.81 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 75.92 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:34 PM
Daylight: 14 hrs 6 mins
Moon Transit: 6:29 AM
Moonset: 2:21 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%
Best Times for Fishing or Hunting
Major Periods
5:59 AM - 8:29 AM3:27 PM - 5:57 PM
Minor Periods
12:00 AM - 12:00 AM1:51 PM - 3:21 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 67.2°F
Average Humidity: 41%
Wind: 12.1 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 12.03 μg/m3
Sulphur Dioxide: 2.52 μg/m3
Ozone: 73.72 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:32 PM
Daylight: 14 hrs 3 mins
Moon Transit: 7:25 AM
Moonset: 3:42 PM
Moon Phase: Last Quarter
Moon Illumination: 39.1%
Best Times for Fishing or Hunting
Major Periods
6:55 AM - 9:25 AM4:25 PM - 6:55 PM
Minor Periods
3:12 PM - 4:42 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 63.4°F
Average Humidity: 63%
Wind: 22.1 mph
UV Index: 1.7
Air Quality
Nitrogen Dioxide: 11.14 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 72.8 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:30 PM
Daylight: 14 hrs mins
Moon Transit: 8:25 AM
Moonset: 4:58 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%
Best Times for Fishing or Hunting
Major Periods
7:55 AM - 10:25 AM5:26 PM - 7:56 PM
Minor Periods
4:28 PM - 5:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.5°F
Average Humidity: 42%
Wind: 19 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 14.54 μg/m3
Sulphur Dioxide: 0.64 μg/m3
Ozone: 68.54 μg/m3
Astronomical
Sun Transit: 1:30 PM
Sunset: 8:29 PM
Daylight: 13 hrs 57 mins
Moon Transit: 9:27 AM
Moonset: 6:02 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%
Best Times for Fishing or Hunting
Major Periods
8:57 AM - 11:27 AM6:28 PM - 8:58 PM
Minor Periods
5:32 PM - 7:02 PM12:24 AM - 1:54 AM
Action Rating: 3 out of 5