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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

52°F

11°C

Humidity 39%
Wind Speed SSW 12 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 17 Oct 11:53 PM MDT
Extended Forecast for

Casper WY

  • Overnight

    Overnight: Mostly clear, with a low around 42. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 63. West southwest wind 6 to 11 mph becoming light and variable in the afternoon.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. East wind 3 to 7 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. South wind 5 to 9 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 42. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 63. West southwest wind 6 to 11 mph becoming light and variable in the afternoon.
Sunday Night
Partly cloudy, with a low around 35. East wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 66. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 41. South wind 5 to 9 mph.
Tuesday
Sunny, with a high near 67. Breezy, with a southwest wind 9 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 41. Southwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 71. Breezy.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 66. Breezy.
Friday Night
Showers likely. Mostly cloudy, with a low around 40. Breezy.
Saturday
A chance of showers. Partly sunny, with a high near 54. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.88°N 106.31°W (Elev. 5200 ft)
Last Update:
11:46 pm MDT Oct 17, 2026
Forecast Valid:
12am MDT Oct 18, 2026-6pm MDT Oct 24, 2026
 
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