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

Casper, Natrona County International Airport (KCPR)

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

Clear

57°F

14°C

Humidity 20%
Wind Speed WSW 18 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 12 Apr 08:05 PM MDT
Extended Forecast for

Mills WY

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 62. Very windy, with a west southwest wind 17 to 27 mph increasing to 27 to 37 mph in the morning. Winds could gust as high as 48 mph.

    High: 62 °F

    Sunny and
    Very Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Breezy, with a west wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 61. West wind around 7 mph.

    High: 61 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36. West wind 6 to 11 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. Windy, with a west southwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 66 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. Windy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph.

    Low: 45 °F

    Partly Cloudy
    and Windy

  • Thursday

    Thursday: A chance of rain showers after noon, mixing with snow after 3pm. Some thunder is also possible. Mostly sunny, with a high near 65. Windy. Chance of precipitation is 50%.

    High: 65 °F

    Windy. Mostly
    Sunny then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow showers likely, becoming all snow after midnight. Mostly cloudy, with a low around 24. Windy. Chance of precipitation is 70%.

    Low: 24 °F

    Rain/Snow
    Likely and
    Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Breezy, with a southwest wind 10 to 18 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 62. Very windy, with a west southwest wind 17 to 27 mph increasing to 27 to 37 mph in the morning. Winds could gust as high as 48 mph.
Monday Night
Partly cloudy, with a low around 34. Breezy, with a west wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.
Tuesday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 61. West wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 36. West wind 6 to 11 mph becoming south southwest in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 66. Windy, with a west southwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 45. Windy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph.
Thursday
A chance of rain showers after noon, mixing with snow after 3pm. Some thunder is also possible. Mostly sunny, with a high near 65. Windy. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely, becoming all snow after midnight. Mostly cloudy, with a low around 24. Windy. Chance of precipitation is 70%.
Friday
Snow showers. High near 37. Breezy. Chance of precipitation is 80%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 47. Breezy.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 58. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mills WY
 42.85°N 106.37°W (Elev. 5161 ft)
Last Update:
7:48 pm MDT Apr 12, 2026
Forecast Valid:
8pm MDT Apr 12, 2026-6pm MDT Apr 19, 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