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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

63°F

17°C

Humidity 27%
Wind Speed W 14 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Nov 12:20 PM MST
Extended Forecast for

Riverton WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 62. West southwest wind around 5 mph becoming calm.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 5 to 7 mph becoming calm after midnight.

    Low: 32 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 37. South wind 7 to 10 mph becoming west southwest after midnight.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 55. West wind 6 to 8 mph.

    High: 55 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. South southwest wind around 5 mph becoming light and variable.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly sunny, with a high near 49.

    High: 49 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 62. West southwest wind around 5 mph becoming calm.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 61. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of showers after 11pm. Mostly cloudy, with a low around 37. South wind 7 to 10 mph becoming west southwest after midnight.
Monday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 55. West wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 51. South southwest wind around 5 mph becoming light and variable.
Tuesday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 28.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
11:16 am MST Nov 15, 2025
Forecast Valid:
12pm MST Nov 15, 2025-6pm MST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation