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

79°F

26°C

Humidity 21%
Wind Speed NA
Barometer 30.12 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 11:55 am MDT
Extended Forecast for

5 Miles SSE Newcastle WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west around 6 mph. Winds could gust as high as 15 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Light northeast wind becoming east 5 to 10 mph. Winds could gust as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Breezy.

    High: 86 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Breezy.

    Low: 63 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 57. Northwest wind 5 to 8 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 90. Calm wind becoming west around 6 mph. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 61. Light northeast wind becoming east 5 to 10 mph. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 93. Calm wind becoming north 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Friday Night
Mostly clear, with a low around 61. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 86. Breezy.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Breezy.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Newcastle WY
 43.79°N 104.17°W (Elev. 4196 ft)
Last Update:
11:41 am MDT Aug 19, 2026
Forecast Valid:
12pm 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