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

77°F

25°C

Humidity 28%
Wind Speed NE 7 mph
Barometer 30.22 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 17 Aug 9:35 am MDT
Extended Forecast for

Upton WY

  • Today

    Today: A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light and variable wind becoming northwest around 6 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    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 82. Calm wind becoming northwest 5 to 8 mph in the morning. Winds could gust as high as 17 mph.

    High: 82 °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 calm 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. Calm 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 52. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

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

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. Light and variable wind becoming northwest around 6 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 20%.
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 82. Calm wind becoming northwest 5 to 8 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 calm 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. Calm 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 52. Northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 56.
Friday
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 60.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Upton WY
 44.1°N 104.62°W (Elev. 4262 ft)
Last Update:
9:47 am MDT Aug 17, 2026
Forecast Valid:
9am MDT Aug 17, 2026-6pm MDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation