Current conditions at

Mondell Field (KECS)

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

Fair

68°F

20°C

Humidity 43%
Wind Speed Calm
Barometer 29.75 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 26 Jun 9:35 pm MDT
Extended Forecast for

Newcastle WY

  • Tonight

    Tonight: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 63. East wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm.  Partly sunny, then gradually becoming sunny, with a high near 85. East wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 85 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 77. Breezy, with a northwest wind 5 to 10 mph becoming southwest 18 to 28 mph. Winds could gust as high as 39 mph.

    High: 77 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a steady temperature around 63. East wind 11 to 18 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, then gradually becoming sunny, with a high near 85. East wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 83. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Monday
Sunny, with a high near 77. Breezy, with a northwest wind 5 to 10 mph becoming southwest 18 to 28 mph. Winds could gust as high as 39 mph.
Monday Night
Mostly clear, with a low around 52. Breezy.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 62.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
9:22 pm MDT Jun 26, 2026
10pm MDT Jun 26, 2026-6pm MDT Jul 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database