Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

59°F

15°C

Humidity 59%
Wind Speed NW 6 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 Aug 04:53 AM MDT
Extended Forecast for

11 Miles N Bar Nunn WY

  • Today

    Today: Patchy smoke after 5pm. Mostly sunny, with a high near 94. Breezy, with a west wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 94 °F

    Mostly Sunny
    then Patchy
    Smoke and
    Breezy

  • Tonight

    Tonight: Patchy smoke before 9pm, then patchy smoke after 10pm. Mostly cloudy, with a low around 60. Breezy, with a north northeast wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Patchy Smoke
    and Breezy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 14 mph, with gusts as high as 23 mph.

    High: 87 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 61. Breezy, with an east wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 61 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Breezy, with a southwest wind 13 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58. Breezy, with a west southwest wind 6 to 16 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. West southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday 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

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy smoke after 5pm. Mostly sunny, with a high near 94. Breezy, with a west wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Tonight
Patchy smoke before 9pm, then patchy smoke after 10pm. Mostly cloudy, with a low around 60. Breezy, with a north northeast wind 7 to 15 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. East wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Breezy, with an east wind 7 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Sunday
Mostly sunny, with a high near 91. Breezy, with a southwest wind 13 to 17 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Breezy, with a west southwest wind 6 to 16 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 86. West southwest wind around 11 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 56.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 86. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Bar Nunn WY
 43.09°N 106.34°W (Elev. 5587 ft)
4:17 am MDT Aug 21, 2026
5am MDT Aug 21, 2026-6pm MDT Aug 27, 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