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

48°F

9°C

Humidity 50%
Wind Speed NW 9 mph
Barometer 30.19 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Jan 3:55 pm MST
Extended Forecast for

Newcastle WY

High Wind Watch January 15, 05:00pm until January 16, 05:00pm
Click here for hazard details and duration
High Wind Watch

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 6 to 11 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Breezy, with a northwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 18. Wind chill values as low as zero. Windy, with a northwest wind 26 to 34 mph, with gusts as high as 49 mph.

    Low: 18 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 25. Wind chill values as low as -3. Windy, with a northwest wind 29 to 36 mph, with gusts as high as 50 mph.

    High: 25 °F

    Windy. Slight
    Chance Snow
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 11. Blustery, with a northwest wind around 23 mph, with gusts as high as 37 mph.

    Low: 11 °F

    Blustery.
    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.

    High: 29 °F

    Sunny and
    Blustery then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 20. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 20 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 40 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. North wind 6 to 11 mph.
Thursday
Mostly sunny, with a high near 44. Breezy, with a northwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18. Wind chill values as low as zero. Windy, with a northwest wind 26 to 34 mph, with gusts as high as 49 mph.
Friday
A 20 percent chance of snow before 11am. Mostly cloudy, with a high near 25. Wind chill values as low as -3. Windy, with a northwest wind 29 to 36 mph, with gusts as high as 50 mph.
Friday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 11. Blustery, with a northwest wind around 23 mph, with gusts as high as 37 mph.
Saturday
Sunny, with a high near 29. Blustery, with a northwest wind 11 to 21 mph, with gusts as high as 37 mph.
Saturday Night
Mostly clear, with a low around 20. Northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Sunday
Mostly sunny, with a high near 40. Breezy, with a northwest wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 34.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
Partly sunny, with a high near 40.
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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:
3:52 pm MST Jan 14, 2026
Forecast Valid:
4pm MST Jan 14, 2026-6pm MST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation