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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Mondell Field (KECS)

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

Fair and Breezy

41°F

5°C

Humidity 33%
Wind Speed NW 21 G 33 mph
Barometer 30.58 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 15 Oct 6:55 pm MDT
Extended Forecast for

Newcastle WY

Freeze Warning October 15, 09:00pm until October 16, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 2am. Otherwise, mostly clear, with a low around 25. Blustery, with a northwest wind 16 to 26 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 40 mph.

    Low: 25 °F

    Mostly Clear
    and Blustery
    then Frost

  • Friday

    Friday: Widespread frost before 10am. Otherwise, sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 49 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 36. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. North wind 5 to 9 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
Widespread frost after 2am. Otherwise, mostly clear, with a low around 25. Blustery, with a northwest wind 16 to 26 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 40 mph.
Friday
Widespread frost before 10am. Otherwise, sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 36. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 65. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 42. Calm wind becoming north 5 to 7 mph after midnight.
Sunday
Sunny, with a high near 64. North wind 5 to 9 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 63.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A slight chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.24°W (Elev. 4334 ft)
Last Update:
6:31 pm MDT Oct 15, 2026
Forecast Valid:
7pm MDT Oct 15, 2026-6pm MDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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