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Current conditions at

Mondell Field (KECS)

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

Fair

64°F

18°C

Humidity 22%
Wind Speed SE 5 mph
Barometer 29.94 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Nov 2:15 pm MST
Extended Forecast for

Newcastle WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. East wind around 5 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 69. Northeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 69 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55. West wind around 6 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. Light east wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 37. Southeast wind 6 to 9 mph, with gusts as high as 17 mph.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly before 11am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 64. East wind around 5 mph.
Tonight
Mostly clear, with a low around 40. East wind 3 to 5 mph.
Friday
Increasing clouds, with a high near 69. Northeast wind 5 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Partly cloudy, with a low around 39. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 55. West wind around 6 mph.
Saturday Night
Mostly clear, with a low around 35. Light east wind.
Sunday
Mostly sunny, with a high near 56. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 37. Southeast wind 6 to 9 mph, with gusts as high as 17 mph.
Monday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32.
Tuesday
A slight chance of rain. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 44.
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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:
1:31 pm MST Nov 13, 2025
Forecast Valid:
2pm MST Nov 13, 2025-6pm MST Nov 19, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation