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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Partly Cloudy

57°F

14°C

Humidity 71%
Wind Speed N 11 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Aug 02:20 AM MDT
Extended Forecast for

Casper WY

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 81. East northeast wind 6 to 10 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. East wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light east northeast wind becoming east 6 to 11 mph in the morning.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light east northeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. East wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 81. East northeast wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 52. East wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light east northeast wind becoming east 6 to 11 mph in the morning.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 30%.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77. Light east northeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 53. East wind 5 to 10 mph becoming light east southeast after midnight. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.83°N 106.34°W (Elev. 5236 ft)
Last Update:
1:58 am MDT Aug 23, 2025
Forecast Valid:
2am MDT Aug 23, 2025-6pm MDT Aug 29, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation