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

82°F

28°C

Humidity 21%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Aug 12:15 pm MDT
Extended Forecast for

3 Miles WNW Upton WY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 17 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 53. North wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    Low: 53 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Light and variable wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. North wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

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

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. Northwest wind 3 to 6 mph. Winds could gust as high as 17 mph.
Tonight
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the morning. Winds could gust as high as 17 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 53. North wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Light and variable wind becoming northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 53. North wind 5 to 8 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 59.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Upton WY
 44.11°N 104.68°W (Elev. 4380 ft)
Last Update:
9:47 am MDT Aug 17, 2026
Forecast Valid:
12pm MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation