Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Mondell Field (KECS)

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

Thunderstorm

70°F

21°C

Humidity 43%
Wind Speed NW 7 mph
Barometer 29.97 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Jun 4:55 pm MDT
Extended Forecast for

Newcastle WY

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely.  Mostly cloudy, with a steady temperature around 65. Northeast wind around 5 mph.  Chance of precipitation is 60%.

    High: 65 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 51 °F

    T-storms
    Likely then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. Northwest wind around 5 mph becoming east in the evening.

    Low: 58 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 88. East wind around 5 mph becoming west in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. East wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 92. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 65. Northeast wind around 5 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming east in the evening.
Juneteenth
Sunny, with a high near 88. East wind around 5 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Sunny, with a high near 92. East wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 69.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Newcastle WY
 43.86°N 104.21°W (Elev. 4380 ft)
3:31 pm MDT Jun 17, 2025
5pm MDT Jun 17, 2025-6pm MDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database