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

68°F

20°C

Humidity 23%
Wind Speed NW 8 mph
Barometer 29.76 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 28 Jun 10:15 pm MDT
Extended Forecast for

4 Miles ENE Newcastle WY

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53. North wind 5 to 7 mph.

    Low: 53 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 72. Breezy, with a north wind 7 to 12 mph becoming southwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Breezy, with a west wind 19 to 24 mph becoming light southwest after midnight. Winds could gust as high as 37 mph.

    Low: 50 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 56. East wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 79. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 53. North wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 72. Breezy, with a north wind 7 to 12 mph becoming southwest 21 to 26 mph in the morning. Winds could gust as high as 39 mph.
Monday Night
Mostly clear, with a low around 50. Breezy, with a west wind 19 to 24 mph becoming light southwest after midnight. Winds could gust as high as 37 mph.
Tuesday
Sunny, with a high near 79. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 56. East wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Sunny, with a high near 79. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 59.
Friday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Saturday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Newcastle WY
 43.86°N 104.15°W (Elev. 4793 ft)
Last Update:
9:47 pm MDT Jun 28, 2026
Forecast Valid:
10pm MDT Jun 28, 2026-6pm MDT Jul 5, 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