Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

90°F

32°C

Humidity 41%
Wind Speed S 5 mph
Barometer 30.12 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 21 Jun 3:47 pm EDT
Extended Forecast for

2 Miles WNW Mount Airy MD

Extreme Heat Watch June 23, 11:00am until June 23, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind 3 to 8 mph.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 95. Heat index values as high as 103. West wind 6 to 8 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southwest wind around 6 mph becoming calm  after midnight.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 96.

    High: 96 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 70. South wind 3 to 8 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 103. West wind 6 to 8 mph.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 77. Calm wind.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Mostly sunny, with a high near 96.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mount Airy MD
 39.4°N 77.2°W (Elev. 610 ft)
4:29 pm EDT Jun 21, 2025
4pm EDT Jun 21, 2025-6pm EDT Jun 28, 2025
 
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Additional Resources

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