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

84°F

29°C

Humidity 24%
Wind Speed WSW 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 26 Aug 01:53 PM MDT
Extended Forecast for

Casper WY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 87. West northwest wind 5 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. East southeast wind 6 to 11 mph becoming light and variable  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. West wind 5 to 8 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 8pm and 9pm.  Mostly clear during the early evening, then becoming mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming east southeast in the evening.  Chance of precipitation is 10%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 92. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 29 mph.

    High: 92 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 62. West wind 5 to 14 mph becoming south in the evening. Winds could gust as high as 25 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Windy, with a west southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 88 °F

    Slight Chance
    T-storms and
    Windy

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. Breezy.

    Low: 59 °F

    Breezy.
    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Windy.

    High: 82 °F

    Slight Chance
    T-storms and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 87. West northwest wind 5 to 8 mph.
Tonight
Partly cloudy, with a low around 58. East southeast wind 6 to 11 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 92. West wind 5 to 8 mph.
Thursday Night
A slight chance of showers and thunderstorms between 8pm and 9pm. Mostly clear during the early evening, then becoming mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 10%.
Friday
Partly sunny, with a high near 92. Breezy, with a west southwest wind 8 to 16 mph, with gusts as high as 29 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 62. West wind 5 to 14 mph becoming south in the evening. Winds could gust as high as 25 mph.
Saturday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Windy, with a west southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 43 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Breezy.
Sunday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Windy.
Sunday Night
Partly cloudy, with a low around 53. Breezy.
Monday
Mostly sunny, with a high near 83. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 84. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.31°W (Elev. 5151 ft)
12:32 pm MDT Aug 26, 2026
2pm MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
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