Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Partly Cloudy

88°F

31°C

Humidity 20%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 29 Jul 06:53 PM MDT
Extended Forecast for

18 Miles N Shirley Basin WY

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then isolated showers between midnight and 3am.  Patchy smoke before 10pm. Mostly cloudy, with a low around 57. South wind 7 to 14 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Isolated
    Showers

  • Thursday

    Thursday: Patchy smoke before 8am, then patchy smoke after 9am. Sunny, with a high near 81. Breezy, with a west southwest wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 81 °F

    Patchy Smoke
    and Breezy

  • Thursday Night

    Thursday Night: Areas of smoke. Mostly clear, with a low around 54. North wind 6 to 14 mph becoming south southeast after midnight.

    Low: 54 °F

    Areas Smoke

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. South southeast wind 5 to 8 mph becoming north northwest in the afternoon.

    High: 82 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly clear, with a low around 55. North wind 7 to 9 mph becoming south after midnight.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. South wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Breezy, with a south wind 9 to 18 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Mostly Clear
    then Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then isolated showers between midnight and 3am. Patchy smoke before 10pm. Mostly cloudy, with a low around 57. South wind 7 to 14 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday
Patchy smoke before 8am, then patchy smoke after 9am. Sunny, with a high near 81. Breezy, with a west southwest wind 8 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Areas of smoke. Mostly clear, with a low around 54. North wind 6 to 14 mph becoming south southeast after midnight.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. South southeast wind 5 to 8 mph becoming north northwest in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 55. North wind 7 to 9 mph becoming south after midnight.
Saturday
Sunny, with a high near 89. South wind 6 to 8 mph becoming west northwest in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Breezy, with a south wind 9 to 18 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 83. Breezy.
Monday Night
Mostly clear, with a low around 53. Breezy.
Tuesday
Sunny, with a high near 79.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 54. Breezy.
Wednesday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Shirley Basin WY
 42.6°N 106.16°W (Elev. 7221 ft)
6:01 pm MDT Jul 29, 2026
7pm MDT Jul 29, 2026-6pm MDT Aug 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database