Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Mostly Cloudy

66°F

19°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 11:35 AM MDT
Extended Forecast for

4 Miles N Bar Nunn WY

  • Today

    Today: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then isolated thunderstorms after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 87. Breezy, with a south wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 50%.

    High: 87 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Some of the storms could be severe.  Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a northwest wind 17 to 22 mph becoming west northwest 7 to 12 mph in the evening. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    Low: 48 °F

    Severe
    Thunderstorms
    and Breezy
    then Isolated
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm.  Partly sunny, with a high near 77. West wind 8 to 11 mph becoming north northwest in the morning.  Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday 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 46. North wind 6 to 11 mph becoming east southeast after midnight.  Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 80. Breezy, with a light and variable wind becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 45. Breezy, with a north northeast wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 45 °F

    Breezy.
    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Breezy.

    Low: 46 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 83.

    High: 83 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then isolated thunderstorms after 3pm. Some of the storms could be severe. Partly sunny, with a high near 87. Breezy, with a south wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Tonight
Isolated showers and thunderstorms before midnight, then isolated showers between midnight and 1am. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 48. Breezy, with a northwest wind 17 to 22 mph becoming west northwest 7 to 12 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly before 2pm. Partly sunny, with a high near 77. West wind 8 to 11 mph becoming north northwest in the morning. Chance of precipitation is 60%.
Sunday 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 46. North wind 6 to 11 mph becoming east southeast after midnight. Chance of precipitation is 20%.
Monday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 80. Breezy, with a light and variable wind becoming north 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. Breezy, with a north northeast wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 78. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46. Breezy.
Wednesday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48. Breezy.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Bar Nunn WY
 42.98°N 106.35°W (Elev. 5367 ft)
11:47 am MDT Jun 20, 2026
11am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
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