Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Mondell Field (KECS)

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

Fair

84°F

29°C

Humidity 11%
Wind Speed W 13 G 22 mph
Barometer 29.88 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 30 Jun 3:55 pm MDT
Extended Forecast for

15 Miles WSW Upton WY

  • Tonight

    Tonight: Isolated showers and thunderstorms between 8pm and 3am.  Increasing clouds, with a low around 52. Northeast wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    Low: 52 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Light and variable wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 86. Southeast wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 21 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Southwest wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 23 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

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

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers and thunderstorms between 8pm and 3am. Increasing clouds, with a low around 52. Northeast wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 82. Southwest wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 56. Light and variable wind becoming southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Sunny, with a high near 86. Southeast wind 11 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 55. Southeast wind 5 to 10 mph becoming northeast in the evening. Winds could gust as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Southwest wind 5 to 13 mph becoming east in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Independence Day
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 90.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles WSW Upton WY
 43.97°N 104.88°W (Elev. 4829 ft)
3:12 pm MDT Jun 30, 2026
4pm MDT Jun 30, 2026-6pm MDT Jul 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database