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

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

62°F

17°C

Humidity 49%
Wind Speed NW 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 02 Jul 07:53 AM MDT
Extended Forecast for

Bar Nunn WY

  • Today

    Today: Sunny, with a high near 89. West southwest wind 6 to 11 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 6 to 11 mph becoming north in the evening.

    Low: 53 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 88. West wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 88 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. West southwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Sunny, with a high near 91. West wind 5 to 9 mph.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light and variable after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. West southwest wind 3 to 8 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. West southwest wind 6 to 11 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Southwest wind 6 to 11 mph becoming north in the evening.
Friday
Increasing clouds, with a high near 88. West wind 7 to 14 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 53. West southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Independence Day
Sunny, with a high near 91. West wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 55. West northwest wind 5 to 9 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 94. West southwest wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Mostly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 59. Breezy.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bar Nunn WY
 42.92°N 106.35°W (Elev. 5322 ft)
Last Update:
6:47 am MDT Jul 2, 2026
Forecast Valid:
8am MDT Jul 2, 2026-6pm MDT Jul 8, 2026
 
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