Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

90°F

32°C

Humidity 55%
Wind Speed S 6 mph
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 30 Jun 5:47 pm EDT
Extended Forecast for

2 Miles E Libertytown MD

Extreme Heat Watch July 2, 11:00am until July 3, 08:00pm
Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  • Tonight

    Tonight: A slight chance of showers between 10pm and 11pm.  Mostly clear, with a low around 71. South wind 5 to 8 mph.  Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 105. Southwest wind 3 to 6 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Light and variable wind becoming south around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76. Calm wind.

    Low: 76 °F

    Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 100. Chance of precipitation is 20%.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

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

    Low: 75 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 10pm and 11pm. Mostly clear, with a low around 71. South wind 5 to 8 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 96. Heat index values as high as 105. Southwest wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 74. Light and variable wind becoming south around 5 mph.
Thursday
Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 75.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Libertytown MD
 39.49°N 77.21°W (Elev. 531 ft)
4:53 pm EDT Jun 30, 2026
6pm EDT Jun 30, 2026-6pm EDT Jul 7, 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