Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

73°F

23°C

Humidity 40%
Wind Speed WNW 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 26 Jul 01:05 AM MDT
Extended Forecast for

Casper WYSimilar City Names

Heat Advisory July 26, 01:27am until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 26, 01:27am until July 26, 09:00pm

    NOW until 9:00pm Sun

    Heat Advisory

  • Overnight

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. West southwest wind 7 to 10 mph becoming northwest in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 67. West northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 67 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm.  Partly sunny and hot, with a high near 98. Southwest wind 5 to 9 mph becoming north northwest in the afternoon.  Chance of precipitation is 20%.

    High: 98 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 64. North northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 95. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 68. Southwest wind 6 to 8 mph.
Sunday
Sunny and hot, with a high near 100. West southwest wind 7 to 10 mph becoming northwest in the afternoon.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. West northwest wind 5 to 8 mph becoming east southeast after midnight.
Monday
A slight chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny and hot, with a high near 98. Southwest wind 5 to 9 mph becoming north northwest in the afternoon. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. North northeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. East wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 96.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WYSimilar City Names
 42.83°N 106.34°W (Elev. 5236 ft)
12:31 am MDT Jul 26, 2026
1am MDT Jul 26, 2026-6pm MDT Aug 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database