Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fog/Mist

69°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Last update 29 Jun 3:15 am EDT
Extended Forecast for

4 Miles SSE Libertytown MD

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South wind around 5 mph becoming calm  after midnight.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 3 to 7 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 86. Light and variable wind.
Monday Night
Mostly clear, with a low around 66. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 88. South wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 70. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Sunny and hot, with a high near 101.
Thursday Night
Clear, with a low around 76.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 101. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 20%.
Independence Day
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Libertytown MD
 39.44°N 77.19°W (Elev. 492 ft)
2:43 am EDT Jun 29, 2026
3am EDT Jun 29, 2026-6pm EDT Jul 5, 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