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

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

79°F

26°C

Humidity 19%
Wind Speed WSW 11 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 09 Oct 02:05 PM MDT
Extended Forecast for

Arminto WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 45. Light and variable wind becoming east northeast 5 to 10 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 68. East wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.

    High: 68 °F

    Scattered
    Showers then
    Isolated
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. Breezy, with a south wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph.

    High: 70 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a chance of showers after midnight. Partly cloudy, with a low around 39. Windy, with a southwest wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers and
    Windy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before noon. Sunny, with a high near 53. Breezy, with a west wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 53 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. Breezy.

    Low: 29 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. West wind 6 to 9 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 45. Light and variable wind becoming east northeast 5 to 10 mph in the evening.
Friday
Scattered showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 68. East wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 48. Breezy, with a south wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 33 mph.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a chance of showers after midnight. Partly cloudy, with a low around 39. Windy, with a southwest wind 18 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers, mainly before noon. Sunny, with a high near 53. Breezy, with a west wind 18 to 24 mph, with gusts as high as 36 mph.
Sunday Night
Mostly clear, with a low around 29. Breezy.
Columbus Day
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 34.
Wednesday
A slight chance of showers. Sunny, with a high near 54. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arminto WY
 43.18°N 107.27°W (Elev. 6043 ft)
Last Update:
12:50 pm MDT Oct 9, 2025
Forecast Valid:
2pm MDT Oct 9, 2025-6pm MDT Oct 15, 2025
 
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