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Current conditions at

Mondell Field (KECS)

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

Fair

41°F

5°C

Humidity 61%
Wind Speed NE 3 mph
Barometer 30.08 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 12 Nov 7:55 pm MST
Extended Forecast for

Newcastle WY

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 42. Northeast wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Southeast wind 3 to 5 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 68. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55. Northwest wind 7 to 9 mph, with gusts as high as 17 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Northeast wind around 5 mph becoming light and variable in the evening.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 55. Southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 42. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind.
Thursday Night
Mostly clear, with a low around 41. Southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 68. South wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Partly cloudy, with a low around 38. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 55. Northwest wind 7 to 9 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 34. Northeast wind around 5 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 55. Southeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 37.
Monday
A chance of rain. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain. Mostly cloudy, with a low around 29.
Tuesday
A slight chance of rain and snow. Mostly cloudy, with a high near 42.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Wednesday
A slight chance of snow. Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
Last Update:
6:16 pm MST Nov 12, 2025
Forecast Valid:
8pm MST Nov 12, 2025-6pm MST Nov 19, 2025
 
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