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 >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

73°F

23°C

Humidity	89%
Wind Speed	Calm
Barometer	30.13 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	22 Jun 6:47 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Frederick MD

Extreme Heat Watch June 23, 11:00am until June 23, 09:00pm

Heat Advisory June 22, 12:00pm until June 22, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Heat Advisory

Today
High: 97 °F
Hot
Tonight
Low: 76 °F
Mostly Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 78 °F
Mostly Clear
Tuesday
High: 100 °F
Hot
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 96 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west around 6 mph in the afternoon.

Tonight

Mostly clear, with a low around 76. Calm wind.

Monday

Sunny and hot, with a high near 100. Heat index values as high as 110. Calm wind.

Monday Night

Mostly clear, with a low around 78. Calm wind.

Tuesday

Sunny and hot, with a high near 100. Light northwest wind.

Tuesday Night

Mostly clear, with a low around 77.

Wednesday

A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 97. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. 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. Partly sunny, with a high near 88. Chance of precipitation is 40%.