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.

Fair

70°F

21°C

Humidity 50%
Wind Speed E 6 mph
Barometer 30.20 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Aug 8:35 pm MDT
Extended Forecast for

3 Miles ESE Newcastle WY

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 58. Light northeast wind.
Monday
Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 60. Northeast wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 16 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Newcastle WY
 43.82°N 104.15°W (Elev. 4393 ft)
Last Update:
7:26 pm MDT Aug 16, 2026
Forecast Valid:
8pm MDT Aug 16, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation