Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Current conditions at

Mondell Field (KECS)

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

Fair

95°F

35°C

Humidity 12%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 36°F (2°C)
Visibility NA
Heat Index90°F (32°C)
Last update 6 Jul 1:15 pm MDT
Extended Forecast for

20 Miles SW Newcastle WY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 95. East wind around 11 mph, with gusts as high as 22 mph.

    High: 95 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 65. East wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe.  Partly sunny, with a high near 93. Southeast wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

    High: 93 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe.  Mostly cloudy, with a low around 61. South wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 61 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 88. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming light southeast  after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. East wind around 11 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 65. East wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 93. Southeast wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 61. South wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. East wind 5 to 9 mph becoming light southeast after midnight. Winds could gust as high as 18 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 99.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SW Newcastle WY
 43.63°N 104.49°W (Elev. 4180 ft)
12:37 pm MDT Jul 6, 2026
1pm MDT Jul 6, 2026-6pm MDT Jul 12, 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