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.

Thunderstorm

77°F

25°C

Humidity 34%
Wind Speed N 18 G 28 mph
Barometer 30.19 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Aug 6:15 pm MDT
Extended Forecast for

6 Miles NE Newcastle WY

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 76 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 54. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 57. Light and variable wind.
Monday
Mostly sunny, with a high near 79. Calm wind becoming northwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 54. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 74. Calm wind becoming west 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NE Newcastle WY
 43.91°N 104.12°W (Elev. 5210 ft)
Last Update:
6:16 pm MDT Aug 16, 2026
Forecast Valid:
6pm MDT Aug 16, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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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