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

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. 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 60%
Wind Speed ENE 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 04 Nov 09:20 AM MST
Extended Forecast for

Riverton WY

  • Today

    Today: Mostly sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37. Southwest wind around 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. Breezy, with a west wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 29. Southwest wind 7 to 9 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 34. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 66. Light and variable wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 37. Southwest wind around 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 60. Breezy, with a west wind 9 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 29. Southwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 57. West southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
8:31 am MST Nov 4, 2025
Forecast Valid:
9am MST Nov 4, 2025-6pm MST Nov 10, 2025
 
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Additional Resources

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