National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

Lat: 43.06219°NLon: 108.44701°WElev: 5443.0ft.

Clear

30°F

-1°C

Humidity 39%
Wind Speed W 9 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Feb 02:20 AM MST
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Mostly clear, with a low around 26. South southwest wind around 8 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 59. West southwest wind 6 to 8 mph.

    High: 59 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. West northwest wind around 6 mph becoming south southwest in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Light and variable wind becoming north northeast around 6 mph in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 57. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 31. North wind 5 to 7 mph.

    Low: 31 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 26. South southwest wind around 8 mph.
Saturday
Increasing clouds, with a high near 59. West southwest wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 31. West northwest wind around 6 mph becoming south southwest in the evening.
Sunday
Mostly cloudy, with a high near 58. Light and variable wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 33. Southwest wind around 5 mph.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 57. Calm wind becoming north 5 to 8 mph in the afternoon.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 31. North wind 5 to 7 mph.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 60.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 29.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 50.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
1:18 am MST Feb 28, 2026
Forecast Valid:
2am MST Feb 28, 2026-6pm MST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation