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 59%
Wind Speed S 8 mph
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 25 Jun 9:55 am MDT
Extended Forecast for

4 Miles SE Newcastle WY

  • Today

    Today: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 64. Southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    High: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 53. Southeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Light southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 61. Southeast wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Southeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. Southwest wind 5 to 13 mph becoming northeast after midnight. Winds could gust as high as 26 mph.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 77. Breezy.

    High: 77 °F

    Mostly Sunny
    then Sunny
    and Breezy

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 64. Southeast wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 53. Southeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 83. Light southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 61. Southeast wind 9 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 86. Southeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57. Southwest wind 5 to 13 mph becoming northeast after midnight. Winds could gust as high as 26 mph.
Sunday
Sunny, with a high near 79.
Sunday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 77. Breezy.
Monday Night
Mostly clear, with a low around 52. Breezy.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Newcastle WY
 43.82°N 104.15°W (Elev. 4393 ft)
Last Update:
8:48 am MDT Jun 25, 2026
Forecast Valid:
10am MDT Jun 25, 2026-6pm MDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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