Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

37°F

3°C

Humidity 60%
Wind Speed SSW 5 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 13 Jan 09:20 PM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West wind 6 to 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 56. South southwest wind 3 to 6 mph.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West southwest wind 5 to 9 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. North wind 5 to 11 mph becoming west southwest after midnight.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Southwest wind around 5 mph becoming northeast in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16. Northeast wind around 6 mph becoming southwest in the evening.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. West wind 6 to 8 mph.
Wednesday
Sunny, with a high near 56. South southwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 25. West southwest wind 5 to 9 mph.
Thursday
Sunny, with a high near 54. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 18. North wind 5 to 11 mph becoming west southwest after midnight.
Friday
Sunny, with a high near 38. Southwest wind around 5 mph becoming northeast in the afternoon.
Friday Night
Mostly clear, with a low around 16. Northeast wind around 6 mph becoming southwest in the evening.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 18.
M.L.King Day
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
8:17 pm MST Jan 13, 2026
9pm MST Jan 13, 2026-6pm MST Jan 20, 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