National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Mondell Field (KECS)

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

Fair

57°F

14°C

Humidity 48%
Wind Speed SE 15 G 21 mph
Barometer 30.03 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 20 Jun 5:15 am MDT
Extended Forecast for

19 Miles SSE Newcastle WY

  • Today

    Today: Showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 76. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 76 °F

    Mostly Cloudy
    then Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy, with a southeast wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 55 °F

    Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 49. East wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 49 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after midnight. Mostly clear, with a low around 49.

    Low: 49 °F

    Clear then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 76. Breezy, with a southeast wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Breezy, with a southeast wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Sunday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph becoming northwest 13 to 18 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 50. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 73. Light southeast wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 49. East wind 5 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A chance of showers after midnight. Mostly clear, with a low around 49.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SSE Newcastle WY
 43.61°N 104.07°W (Elev. 3947 ft)
Last Update:
3:22 am MDT Jun 20, 2026
Forecast Valid:
5am MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation