National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Plains

Severe thunderstorms will be possible over parts of the northern Plains today through Thursday which could bring large hail, damaging winds, and possible tornadoes. Thunderstorms with heavy to excessive rainfall may continue to produce flooding over parts of the southern and northern Plains today. Read More >

Current conditions at

Mondell Field (KECS)

Lat: 43.89°NLon: 104.32°WElev: 4173ft.

Fair

79°F

26°C

Humidity 17%
Wind Speed E 5 mph
Barometer 30.00 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 3 Jun 5:55 pm MDT
Extended Forecast for

Upton WY

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Northeast wind around 5 mph becoming calm after midnight.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 49. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 84 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. South wind around 15 mph, with gusts as high as 24 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Breezy.

    Low: 58 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 48. Northeast wind around 5 mph becoming calm after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly cloudy, then gradually becoming sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 49. Northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 55. Southeast wind 11 to 15 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 95. South wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 58. Breezy.
Sunday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upton WY
 44.1°N 104.62°W (Elev. 4262 ft)
Last Update:
4:18 pm MDT Jun 3, 2026
Forecast Valid:
6pm MDT Jun 3, 2026-6pm MDT Jun 10, 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