Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Mondell Field (KECS)

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

Mostly Cloudy

88°F

31°C

Humidity 17%
Wind Speed W 13 mph
Barometer 29.90 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Aug 3:35 pm MDT
Extended Forecast for

15 Miles SSE Newcastle WY

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 92. West wind around 16 mph, with gusts as high as 31 mph.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 29 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 89. Breezy, with a light and variable wind becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph.

    High: 89 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. Northwest wind 13 to 18 mph becoming light and variable. Winds could gust as high as 29 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. South wind 5 to 11 mph becoming east in the evening. Winds could gust as high as 17 mph.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. West wind around 16 mph, with gusts as high as 31 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Sunday
Mostly sunny, with a high near 89. Breezy, with a light and variable wind becoming west 16 to 21 mph in the morning. Winds could gust as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 57. Northwest wind 13 to 18 mph becoming light and variable. Winds could gust as high as 29 mph.
Monday
Mostly sunny, with a high near 85. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 16 mph.
Monday Night
Mostly cloudy, with a low around 62. South wind 5 to 11 mph becoming east in the evening. Winds could gust as high as 17 mph.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Newcastle WY
 43.65°N 104.1°W (Elev. 3996 ft)
3:36 pm MDT Aug 29, 2026
3pm MDT Aug 29, 2026-6pm MDT Sep 5, 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