Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Light Rain

82°F

28°C

Humidity 79%
Wind Speed SW 8 mph
Barometer 29.88 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index89°F (32°C)
Last update 18 Jun 5:47 pm EDT
Extended Forecast for

Thurmont MD

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm.  Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 71 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 65. West wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Northwest wind 3 to 6 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Juneteenth
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. West wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 84. Northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Thurmont MD
 39.64°N 77.39°W (Elev. 433 ft)
4:30 pm EDT Jun 18, 2025
6pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

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