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 >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

73°F

23°C

Humidity	83%
Wind Speed	S 6 mph
Barometer	30.05 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Jul 6:47 am EDT

More Information:

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

Extended Forecast for

Middletown 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

Today
High: 98 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Thursday
High: 102 °F
Hot
Thursday Night
Low: 77 °F
Mostly Clear
Friday
High: 102 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 76 °F
Partly Cloudy
Independence Day
High: 97 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 97 °F
Mostly Sunny
then Showers
Likely

Detailed Forecast

Today

Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming west around 6 mph in the morning.

Tonight

Mostly clear, with a low around 75. West wind around 6 mph becoming calm in the evening.

Thursday

Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming west around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 77. West wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 76.

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 73. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 97. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Tuesday

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