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.

Overcast

20°F

-7°C

Humidity 61%
Wind Speed NNE 17 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 15 Mar 01:53 AM MDT
Extended Forecast for

Riverton WY

  • Overnight

    Overnight: Patchy fog before 3am.  Otherwise, mostly cloudy, with a low around 11. Wind chill values as low as zero. Blustery, with a north wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Patchy Fog
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Wind chill values as low as zero. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. Northeast wind 5 to 8 mph becoming calm  in the evening.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. West northwest wind 9 to 11 mph becoming southwest after midnight.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 71 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog before 3am. Otherwise, mostly cloudy, with a low around 11. Wind chill values as low as zero. Blustery, with a north wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 31. Wind chill values as low as zero. Calm wind becoming northeast 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 11. Northeast wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 55. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 34. West northwest wind 9 to 11 mph becoming southwest after midnight.
Tuesday
Partly sunny, with a high near 71. Breezy, with a southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 78. Breezy.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
1:48 am MDT Mar 15, 2026
2am 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