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

63°F

17°C

Humidity 77%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 9:55 pm MDT
Extended Forecast for

3 Miles ESE Newcastle WY

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between midnight and 2am. Partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 77. Calm wind becoming south 5 to 7 mph.

    High: 77 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph. Winds could gust as high as 16 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 58 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between midnight and 2am. Partly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 77. Calm wind becoming south 5 to 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Calm wind becoming west around 6 mph. Winds could gust as high as 16 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 58. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 88.
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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:
8:36 pm MDT Aug 15, 2026
Forecast Valid:
10pm MDT Aug 15, 2026-6pm MDT Aug 22, 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