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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

43°F

6°C

Humidity 41%
Wind Speed WNW 27 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 06 Dec 01:53 PM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 18. North wind around 10 mph becoming south in the evening.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 40. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southwest wind around 7 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Southwest wind 6 to 9 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 54. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 54 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.

    High: 52 °F

    Chance
    Rain/Snow
    then Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 18. North wind around 10 mph becoming south in the evening.
Sunday
Partly sunny, with a high near 40. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 20. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 46. Southwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 28. South southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 54. West southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers before 11am, then a chance of rain showers. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Thursday
A slight chance of rain and snow showers. Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
12:32 pm MST Dec 6, 2025
Forecast Valid:
2pm MST Dec 6, 2025-6pm MST Dec 12, 2025
 
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