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

64°F

18°C

Humidity 34%
Wind Speed E 8 mph
Barometer 29.88 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 Jul 2:15 am MDT
Extended Forecast for

8 Miles E Newcastle WY

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Northeast wind 3 to 5 mph.

    Low: 57 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 78 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Light and variable wind becoming east 5 to 10 mph in the evening. Winds could gust as high as 21 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 83. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 58.

    Low: 58 °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 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 59. Light and variable wind becoming east 5 to 10 mph in the evening. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 83. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 59. Southeast wind 5 to 7 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Independence Day
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 64.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Newcastle WY
 43.82°N 104.06°W (Elev. 5597 ft)
1:32 am MDT Jul 1, 2026
2am MDT Jul 1, 2026-6pm MDT Jul 7, 2026
 
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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