Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Mostly Cloudy

16°F

-9°C

Humidity 66%
Wind Speed N 12 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 15 Mar 04:20 AM MDT
Extended Forecast for

3 Miles NNW Riverton Regional Airport WY

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values as low as zero. North wind 6 to 11 mph becoming light northeast. Winds could gust as high as 21 mph.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Northeast wind 5 to 9 mph becoming calm  after midnight.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph.

    High: 68 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Breezy, with a west southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 75 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values as low as zero. North wind 6 to 11 mph becoming light northeast. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 16. Northeast wind 5 to 9 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 53. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 36. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 68. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 75. Breezy, with a west southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Breezy.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 42. Breezy.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 41. Breezy.
Saturday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Riverton Regional Airport WY
 43.1°N 108.48°W (Elev. 5440 ft)
3:18 am MDT Mar 15, 2026
4am MDT Mar 15, 2026-6pm MDT Mar 21, 2026
 
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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