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

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Overcast

59°F

15°C

Humidity 68%
Wind Speed SE 15 G 21 mph
Barometer 30.02 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Jun 6:15 pm MDT
Extended Forecast for

4 Miles SE Newcastle WY

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 53. Southeast wind 7 to 15 mph, with gusts as high as 28 mph.

    Low: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 83. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southeast wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 86. Southeast wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 26 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 53. Southeast wind 7 to 15 mph, with gusts as high as 28 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 83. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southeast wind 10 to 16 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 86. Southeast wind 7 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 82. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 78. Breezy.
Monday Night
Mostly clear, with a low around 53. Breezy.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Newcastle WY
 43.82°N 104.15°W (Elev. 4393 ft)
Last Update:
6:47 pm MDT Jun 25, 2026
Forecast Valid:
6pm MDT Jun 25, 2026-6pm MDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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