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

63°F

17°C

Humidity 20%
Wind Speed SW 28 MPH
Barometer 29.6 in (1002.37 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 16 Apr 12:05 PM MDT
Extended Forecast for

3 Miles WNW Arapahoe WY

Winter Weather Advisory April 16, 03:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a temperature falling to around 52 by 5pm. Windy, with a west southwest wind 20 to 25 mph, with gusts as high as 39 mph.

    High: 63 °F⇓

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Blustery.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A slight chance of snow showers before 7am, then a chance of snow showers after 1pm. Mostly sunny, with a high near 44. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. North wind 6 to 13 mph becoming southwest after midnight.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. South southwest wind 6 to 10 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. West southwest wind 5 to 10 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a temperature falling to around 52 by 5pm. Windy, with a west southwest wind 20 to 25 mph, with gusts as high as 39 mph.
Tonight
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 27. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
A slight chance of snow showers before 7am, then a chance of snow showers after 1pm. Mostly sunny, with a high near 44. North northwest wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. North wind 6 to 13 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 57. South southwest wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 24. West southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 67. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 44. Breezy.
Wednesday
Mostly sunny, with a high near 76. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
11:54 am MDT Apr 16, 2026
Forecast Valid:
12pm MDT Apr 16, 2026-6pm MDT Apr 22, 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