Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

33°F

1°C

Humidity 63%
Wind Speed SW 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 12 Feb 08:53 AM MST
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Today

    Today: Mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 24. North wind around 6 mph becoming west southwest after midnight.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 52. West wind around 6 mph becoming east northeast in the afternoon.

    High: 52 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. Northwest wind around 7 mph becoming west southwest after midnight.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Southwest wind around 5 mph becoming light and variable.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Southwest wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. West southwest wind 5 to 11 mph becoming northwest in the morning.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 57. Breezy.

    High: 57 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 24. North wind around 6 mph becoming west southwest after midnight.
Friday
Sunny, with a high near 52. West wind around 6 mph becoming east northeast in the afternoon.
Friday Night
Mostly clear, with a low around 21. Northwest wind around 7 mph becoming west southwest after midnight.
Saturday
Mostly sunny, with a high near 53. Southwest wind around 5 mph becoming light and variable.
Saturday Night
Mostly cloudy, with a low around 24. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 56. West southwest wind 5 to 11 mph becoming northwest in the morning.
Sunday Night
Partly cloudy, with a low around 26.
Washington's Birthday
Mostly sunny, with a high near 57. Breezy.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 30. Breezy.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 53. Windy.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 24. Breezy.
Wednesday
A slight chance of snow showers. Mostly sunny, with a high near 48. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
8:01 am MST Feb 12, 2026
9am MST Feb 12, 2026-6pm MST Feb 18, 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