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

43°F

6°C

Humidity 26%
Wind Speed NW 6 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 20 Apr 01:35 AM MDT
Extended Forecast for

3 Miles WNW Arapahoe WY

  • Overnight

    Overnight: Partly cloudy, with a low around 37. West wind around 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Breezy, with a light and variable wind becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 79 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Breezy, with a light and variable wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 23 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Sunny, with a high near 69. Very windy, with a southwest wind 10 to 20 mph increasing to 27 to 37 mph. Winds could gust as high as 50 mph.

    High: 69 °F

    Sunny and
    Windy then
    Slight Chance
    Showers and
    Very Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 38. Windy, with a west southwest wind 24 to 29 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.

    Low: 38 °F

    Chance
    Showers and
    Windy

  • Thursday

    Thursday: A chance of rain and snow showers. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. West wind around 6 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a light and variable wind becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
Mostly clear, with a low around 40. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
Tuesday
Mostly sunny, with a high near 81. Breezy, with a light and variable wind becoming south southwest 11 to 16 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Breezy, with a south southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 69. Very windy, with a southwest wind 10 to 20 mph increasing to 27 to 37 mph. Winds could gust as high as 50 mph.
Wednesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 38. Windy, with a west southwest wind 24 to 29 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 50%.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then a chance of snow showers after midnight. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.
Friday
A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 48. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 50.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
Sunday
A slight chance of rain and snow showers. Partly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Arapahoe WY
 42.99°N 108.56°W (Elev. 5197 ft)
Last Update:
1:33 am MDT Apr 20, 2026
Forecast Valid:
1am MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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