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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

47°F

8°C

Humidity 18%
Wind Speed WNW 34 MPH
Barometer 29.37 in (994.58 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 17 Feb 12:53 PM MST
Extended Forecast for

Riverton WY

High Wind Warning until February 17, 05:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until February 17, 05:00pm

    NOW until 5:00pm Tue

    High Wind Warning

  • This Afternoon

    High: 50 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Breezy, with a west wind 9 to 18 mph becoming south after midnight. Winds could gust as high as 28 mph.

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow showers likely, mainly after 4pm. Partly sunny, with a high near 47. Breezy, with a south wind 9 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Isolated Snow
    Showers then
    Snow Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers. Low around 8. Wind chill values as low as zero. Blustery, with a north northeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Showers
    and Blustery

  • Thursday

    Thursday: Isolated snow showers before 11am. Partly sunny, with a high near 27. North wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 27 °F

    Isolated Snow
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3. South southeast wind around 6 mph becoming light and variable after midnight.

    Low: 3 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. Light and variable wind becoming northwest around 5 mph in the morning.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 50. Windy, with a west wind 30 to 32 mph, with gusts as high as 45 mph.
Tonight
Partly cloudy, with a low around 20. Breezy, with a west wind 9 to 18 mph becoming south after midnight. Winds could gust as high as 28 mph.
Wednesday
Snow showers likely, mainly after 4pm. Partly sunny, with a high near 47. Breezy, with a south wind 9 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers. Low around 8. Wind chill values as low as zero. Blustery, with a north northeast wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
Isolated snow showers before 11am. Partly sunny, with a high near 27. North wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 3. South southeast wind around 6 mph becoming light and variable after midnight.
Friday
Partly sunny, with a high near 29. Light and variable wind becoming northwest around 5 mph in the morning.
Friday Night
Partly cloudy, with a low around 0.
Saturday
Sunny, with a high near 32.
Saturday Night
Mostly clear, with a low around 4.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 12.
Monday
Sunny, with a high near 49.
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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:
12:02 pm MST Feb 17, 2026
Forecast Valid:
1pm MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation