Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

58°F

14°C

Humidity 90%
Wind Speed ENE 12 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Jul 11:53 PM MDT
Extended Forecast for

Bar Nunn WY

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Northeast wind 9 to 11 mph.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 3pm.  Partly sunny, with a high near 73. North wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 50. East wind 6 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92. East southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West northwest wind 6 to 11 mph becoming east southeast in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Southwest wind 6 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58. Northeast wind 8 to 11 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind 9 to 11 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 73. North wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. East wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 92. East southeast wind 6 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 57. West northwest wind 6 to 11 mph becoming east southeast in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 90. Southwest wind 6 to 11 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58. Northeast wind 8 to 11 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 90.
Saturday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 58.
Sunday
Sunny, with a high near 92. Breezy.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Sunny, with a high near 93. Breezy.
Monday Night
Partly cloudy, with a low around 58. Breezy.
Tuesday
Sunny, with a high near 94. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Bar Nunn WY
 42.92°N 106.35°W (Elev. 5322 ft)
7:28 pm MDT Jul 15, 2025
12am MDT Jul 16, 2025-6pm MDT Jul 22, 2025
 
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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