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

Mondell Field (KECS)

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

Fair

54°F

12°C

Humidity 77%
Wind Speed NE 5 mph
Barometer 30.12 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 19 Aug 3:55 am MDT
Extended Forecast for

3 Miles NNE Newcastle WY

  • Today

    Today: Sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming west around 5 mph. Winds could gust as high as 17 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind becoming east around 6 mph. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. East wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 81. Calm wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 86. Calm wind becoming west around 5 mph. Winds could gust as high as 17 mph.
Thursday Night
Mostly clear, with a low around 61. Calm wind becoming east around 6 mph. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 89. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 61. East wind 3 to 8 mph. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 61.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Newcastle WY
 43.88°N 104.18°W (Elev. 4800 ft)
Last Update:
3:26 am MDT Aug 19, 2026
Forecast Valid:
4am MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation