Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

57°F

14°C

Humidity 83%
Wind Speed SW 4 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Aug 07:53 AM MDT
Extended Forecast for

9 Miles SSE Arminto WY

  • Today

    Today: Sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. North wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. West wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. West northwest wind 7 to 9 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87. Breezy, with a west wind 9 to 18 mph, with gusts as high as 31 mph.

    High: 87 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 59. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.

    Low: 59 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Windy, with a west southwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 81 °F

    Slight Chance
    T-storms and
    Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 78. Breezy.

    High: 78 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 85. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 56. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 88. West wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 59. West northwest wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 87. Breezy, with a west wind 9 to 18 mph, with gusts as high as 31 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 59. Breezy, with a west southwest wind 13 to 18 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 30 mph.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Windy, with a west southwest wind 11 to 16 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 41 mph.
Saturday Night
Mostly cloudy, with a low around 55. Breezy.
Sunday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 78. Breezy.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 81. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 80. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Arminto WY
 43.06°N 107.2°W (Elev. 5955 ft)
6:02 am MDT Aug 26, 2026
8am MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database