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

Hazardous Weather Conditions

Current conditions at

Riverton Regional Airport (KRIW)

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

Clear

48°F

9°C

Humidity 23%
Wind Speed W 13 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 21 Apr 04:35 AM MDT
Extended Forecast for

Riverton WY

Fire Weather Watch April 22, 09:00am until April 22, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Today

    Today: Mostly sunny, with a high near 82. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Windy, with a west southwest wind 11 to 21 mph increasing to 22 to 32 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 70 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before 9am, then a chance of rain showers. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 59 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after midnight. Mostly cloudy, with a low around 25. Blustery, with a north wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    Low: 25 °F

    Rain/Snow
    Likely and
    Blustery then
    Snow Showers
    Likely

  • Friday

    Friday: A 50 percent chance of snow showers. Partly sunny, with a high near 47. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a south wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 70. Windy, with a west southwest wind 11 to 21 mph increasing to 22 to 32 mph in the afternoon. Winds could gust as high as 48 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 36 mph.
Thursday
A chance of rain and snow showers before 9am, then a chance of rain showers. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 11 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday Night
Rain and snow showers likely, becoming all snow after midnight. Mostly cloudy, with a low around 25. Blustery, with a north wind 10 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 47. North wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54.
Sunday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverton WY
 43.02°N 108.38°W (Elev. 4931 ft)
Last Update:
3:03 am MDT Apr 21, 2026
Forecast Valid:
4am MDT Apr 21, 2026-6pm MDT Apr 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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