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.

Mostly Cloudy

54°F

12°C

Humidity 88%
Wind Speed SE 8 mph
Barometer 29.95 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 26 Jun 6:55 am MDT
Extended Forecast for

4 Miles SE Newcastle WY

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Light southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 83 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. East wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. East wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 78. Breezy.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 3pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Light southeast wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. East wind 10 to 15 mph, with gusts as high as 26 mph.
Saturday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. East wind 7 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 57. South wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Monday
Sunny, with a high near 78. Breezy.
Monday Night
Mostly clear, with a low around 53. Breezy.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Newcastle WY
 43.82°N 104.15°W (Elev. 4393 ft)
Last Update:
6:37 am MDT Jun 26, 2026
Forecast Valid:
7am MDT Jun 26, 2026-6pm MDT Jul 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation