National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mondell Field (KECS)

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

Fair

55°F

13°C

Humidity 38%
Wind Speed SE 13 G 18 mph
Barometer 29.87 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 25 Dec 3:55 am MST
Extended Forecast for

Newcastle WY

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 59. Southeast wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. West wind 5 to 7 mph becoming light and variable.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. South wind 6 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. West wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 7. Blustery, with a north wind 16 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 20. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 20 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Christmas Day
Partly sunny, with a high near 59. Southeast wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly clear, with a low around 37. West wind 5 to 7 mph becoming light and variable.
Friday
Mostly sunny, with a high near 54. South wind 6 to 15 mph becoming southwest in the morning. Winds could gust as high as 26 mph.
Friday Night
Partly cloudy, with a low around 33. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 45. West wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 7. Blustery, with a north wind 16 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Sunday
Sunny, with a high near 20. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 10. Northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
Last Update:
3:36 am MST Dec 25, 2025
Forecast Valid:
4am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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