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

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Partly Cloudy

61°F

16°C

Humidity 18%
Wind Speed W 3 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 05 Apr 05:35 PM MDT
Extended Forecast for

9 Miles SSE Arminto WY

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a light east wind becoming east northeast 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 60 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. East northeast wind 5 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Windy, with a west wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 66 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: A slight chance of rain showers after midnight, mixing with snow after 3am. Partly cloudy, with a low around 31. Windy, with a west wind 20 to 25 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers after noon. Sunny, with a high near 57. Breezy, with a north northeast wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    High: 57 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. North wind 9 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. Northeast wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 60. Breezy, with a light east wind becoming east northeast 10 to 15 mph in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 31. East northeast wind 5 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Tuesday
Sunny, with a high near 66. Windy, with a west wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
A slight chance of rain showers after midnight, mixing with snow after 3am. Partly cloudy, with a low around 31. Windy, with a west wind 20 to 25 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of rain and snow showers after noon. Sunny, with a high near 57. Breezy, with a north northeast wind 9 to 18 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 27. North wind 9 to 14 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 60.
Thursday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 31.
Friday
A 30 percent chance of showers after noon. Partly sunny, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 69. Breezy.
Saturday Night
A chance of showers. Partly cloudy, with a low around 39.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Arminto WY
 43.06°N 107.17°W (Elev. 6024 ft)
Last Update:
2:48 pm MDT Apr 5, 2026
Forecast Valid:
5pm MDT Apr 5, 2026-6pm MDT Apr 12, 2026
 
Forecast Discussion
 
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Additional Resources

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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