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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

48°F

9°C

Humidity 29%
Wind Speed WNW 27 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Jan 02:35 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Overnight

    Overnight: Partly cloudy, with a low around 36. West southwest wind around 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 59. Breezy, with a west wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. West wind 6 to 11 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 54. West southwest wind around 5 mph becoming calm.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. South southwest wind 6 to 8 mph becoming west after midnight.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. North northwest wind 6 to 10 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. North wind 5 to 9 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. West southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 59. Breezy, with a west wind 9 to 17 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 27. West wind 6 to 11 mph.
Wednesday
Sunny, with a high near 54. West southwest wind around 5 mph becoming calm.
Wednesday Night
Mostly clear, with a low around 24. South southwest wind 6 to 8 mph becoming west after midnight.
Thursday
Sunny, with a high near 53. North northwest wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 18. North wind 5 to 9 mph.
Friday
Sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 16.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
1:32 am MST Jan 13, 2026
Forecast Valid:
2am MST Jan 13, 2026-6pm MST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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