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

Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Clear

77°F

25°C

Humidity 25%
Wind Speed NNW 13 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Jun 03:05 PM MDT
Extended Forecast for

Natrona WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 77 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a north northeast wind 19 to 24 mph becoming light north northwest after midnight. Winds could gust as high as 37 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Breezy, with a north northeast wind 17 to 22 mph becoming north northeast 9 to 14 mph. Winds could gust as high as 33 mph.

    Low: 46 °F

    Partly Cloudy
    and Breezy

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. North northeast wind 7 to 9 mph becoming east in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Breezy, with an east wind 11 to 16 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a light and variable wind becoming west northwest 19 to 24 mph in the morning. Winds could gust as high as 36 mph.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Chance
    Showers and
    Breezy then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Slight Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 43. Breezy, with a north northeast wind 19 to 24 mph becoming light north northwest after midnight. Winds could gust as high as 37 mph.
Thursday
Sunny, with a high near 81. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Partly cloudy, with a low around 46. Breezy, with a north northeast wind 17 to 22 mph becoming north northeast 9 to 14 mph. Winds could gust as high as 33 mph.
Juneteenth
Sunny, with a high near 84. North northeast wind 7 to 9 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 51. Breezy, with an east wind 11 to 16 mph becoming north 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a light and variable wind becoming west northwest 19 to 24 mph in the morning. Winds could gust as high as 36 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 48. Breezy.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. Breezy.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 46. Breezy.
Tuesday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Natrona WY
 43.04°N 106.81°W (Elev. 5610 ft)
Last Update:
2:47 pm MDT Jun 17, 2026
Forecast Valid:
3pm MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation