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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

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

Mist

48°F

9°C

Humidity 100%
Wind Speed NE 3 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 26 Jun 02:00 AM MDT
Extended Forecast for

9 Miles SSE Arminto WY

  • Overnight

    Overnight: Partly cloudy, with a low around 50. South wind around 5 mph becoming west.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of thunderstorms after 3pm. Mostly sunny, with a high near 87. Breezy, with a southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.

    High: 87 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 57 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Windy, with a southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 20%.

    High: 80 °F

    Sunny and
    Breezy then
    Slight Chance
    T-storms and
    Windy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. Windy, with a west wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms and
    Windy then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75. Windy, with a southwest wind 11 to 16 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 75 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Windy, with a west wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 45 mph.

    Low: 46 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: Sunny, with a high near 71. Very windy.

    High: 71 °F

    Sunny and
    Very Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Windy.

    Low: 46 °F

    Clear and
    Windy then
    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. South wind around 5 mph becoming west.
Friday
A slight chance of showers and thunderstorms between 2pm and 3pm, then a slight chance of thunderstorms after 3pm. Mostly sunny, with a high near 87. Breezy, with a southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 57. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 31 mph.
Saturday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. Windy, with a southwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. Windy, with a west wind 23 to 28 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 75. Windy, with a southwest wind 11 to 16 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 46 mph.
Sunday Night
Partly cloudy, with a low around 46. Windy, with a west wind 25 to 30 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 45 mph.
Monday
Sunny, with a high near 71. Very windy.
Monday Night
Mostly clear, with a low around 46. Windy.
Tuesday
Sunny, with a high near 79. Breezy.
Tuesday Night
Mostly clear, with a low around 50. Breezy.
Wednesday
Sunny, with a high near 85. Breezy.
Wednesday Night
Mostly clear, with a low around 52. Breezy.
Thursday
Sunny, with a high near 89. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SSE Arminto WY
 43.06°N 107.2°W (Elev. 5955 ft)
Last Update:
1:01 am MDT Jun 26, 2026
Forecast Valid:
2am MDT Jun 26, 2026-6pm MDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation