Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

25°F

-4°C

Humidity 43%
Wind Speed NNE 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Jan 05:53 PM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Tonight

    Tonight: Mostly clear, with a low around 19. East southeast wind 5 to 8 mph becoming west northwest after midnight.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Light and variable wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. North northeast wind 5 to 7 mph.

    Low: 14 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. Southeast wind 3 to 5 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. West southwest wind around 7 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Southwest wind 6 to 8 mph becoming northeast in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15. East wind around 7 mph becoming west southwest in the evening.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 19. East southeast wind 5 to 8 mph becoming west northwest after midnight.
Sunday
Increasing clouds, with a high near 40. Light and variable wind becoming north northeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 14. North northeast wind 5 to 7 mph.
M.L.King Day
Sunny, with a high near 38. Southeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 16. West southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 45. Southwest wind 6 to 8 mph becoming northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 15. East wind around 7 mph becoming west southwest in the evening.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 34.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
5:32 pm MST Jan 17, 2026
6pm MST Jan 17, 2026-6pm MST Jan 24, 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