Weather for Green River, Wyoming
Current Weather
Humidity: 22%
Feels Like: 75.7°F
Wind: S 8.5 mph
Wind Gusts: 17 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Sun
H: 89°F
L: 49°F
Mon
H: 82°F
L: 48°F
Tue
H: 80°F
L: 59°F
Wed
H: 85°F
L: 54°F
Thu
H: 82°F
L: 60°F
Air Quality
Nitrogen Dioxide: 18.69 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 63 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:47 PM
Daylight: 14 hrs 45 mins
Moon Transit: 9:22 AM
Moonset: 5:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
8:52 AM - 11:22 AM6:41 PM - 9:11 PM
Minor Periods
4:56 PM - 6:26 PM1:00 AM - 2:30 AM
Action Rating: 3 out of 5
Red Flag Warning issued July 20 at 10:35AM MDT until July 21 at 8:00PM MDT by NWS Riverton WY
Effective: Sun July 20, 2025, 10:35 AM
Expires: Mon July 21, 2025, 8:00 PM
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 15 to 20 mph with gusts up to 30 to 35 mph diminishing overnight. * HUMIDITY: As low as 10 percent but recovering overnight to around 35 to 40 percent. * TEMPERATURES: Highs in the lower 80s. Lows in the mid 50s.
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 July 20 at 10:35AM MDT until July 21 at 8:00PM MDT by NWS Riverton WY
Effective: Sun July 20, 2025, 10:35 AM
Expires: Mon July 21, 2025, 8:00 PM
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 15 to 20 mph with gusts up to 30 to 35 mph diminishing overnight. * HUMIDITY: As low as 10 percent but recovering overnight to around 35 to 40 percent. * TEMPERATURES: Highs in the lower 80s. Lows in the mid 50s.
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 July 20 at 10:35AM MDT until July 21 at 8:00PM MDT by NWS Riverton WY
Effective: Sun July 20, 2025, 10:35 AM
Expires: Mon July 21, 2025, 8:00 PM
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 15 to 20 mph with gusts up to 30 to 35 mph diminishing overnight. * HUMIDITY: As low as 10 percent but recovering overnight to around 35 to 40 percent. * TEMPERATURES: Highs in the lower 80s. Lows in the mid 50s.
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 July 20 at 10:35AM MDT until July 21 at 8:00PM MDT by NWS Riverton WY
Effective: Sun July 20, 2025, 10:35 AM
Expires: Mon July 21, 2025, 8:00 PM
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zone....289. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: West 15 to 20 mph with gusts up to 30 to 35 mph diminishing overnight. * HUMIDITY: As low as 10 percent but recovering overnight to around 35 to 40 percent. * TEMPERATURES: Highs in the lower 80s. Lows in the mid 50s.
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: 66.8°F
Average Humidity: 44%
Wind: 22.4 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 5.12 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 108.8 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:47 PM
Daylight: 14 hrs 45 mins
Moon Transit: 9:22 AM
Moonset: 5:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.4%
Best Times for Fishing or Hunting
Major Periods
8:52 AM - 11:22 AM6:41 PM - 9:11 PM
Minor Periods
4:56 PM - 6:26 PM1:00 AM - 2:30 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 66°F
Average Humidity: 39%
Wind: 22.1 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 7.35 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 109.6 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:46 PM
Daylight: 14 hrs 43 mins
Moon Transit: 10:24 AM
Moonset: 6:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.4%
Best Times for Fishing or Hunting
Major Periods
7:44 PM - 10:14 PM9:54 AM - 12:24 AM
Minor Periods
6:09 PM - 7:39 PM1:46 AM - 3:16 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 67.6°F
Average Humidity: 45%
Wind: 17.4 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 4.87 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 117.04 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:45 PM
Daylight: 14 hrs 41 mins
Moon Transit: 11:28 AM
Moonset: 7:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
8:47 PM - 11:17 PM10:58 AM - 1:28 PM
Minor Periods
7:11 PM - 8:41 PM2:43 AM - 4:13 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 71.8°F
Average Humidity: 40%
Wind: 19.5 mph
UV Index: 2.8
Air Quality
Nitrogen Dioxide: 7.23 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 108.88 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:44 PM
Daylight: 14 hrs 40 mins
Moon Transit: 12:30 AM
Moonset: 8:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:00 AM - 2:30 PM
Minor Periods
8:00 PM - 9:30 PM3:52 AM - 5:22 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 70.6°F
Average Humidity: 27%
Wind: 26.4 mph
UV Index: 2.3
Air Quality
Nitrogen Dioxide: 9.11 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 102.85 μg/m3
Astronomical
Sun Transit: 1:24 PM
Sunset: 8:43 PM
Daylight: 14 hrs 38 mins
Moon Transit: 1:28 PM
Moonset: 9:08 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:58 AM - 3:28 PM
Minor Periods
8:38 PM - 10:08 PM5:06 AM - 6:36 AM
Action Rating: 4 out of 5