Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

78°F

26°C

Humidity	94%
Wind Speed	S 3 mph
Barometer	30.06 in
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	81°F (27°C)
Last update	3 Jul 12:35 am EDT

More Information:

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

Extended Forecast for

2 Miles ENE Rosemont MD

Extreme Heat Warning July 3, 10:00am until July 3, 08:00pm

Extreme Heat Warning July 4, 10:00am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Overnight
Low: 77 °F
Mostly Clear
Friday
High: 101 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Independence Day
High: 101 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 94 °F
Partly Sunny
then T-storms
Likely
Sunday Night
Low: 70 °F
T-storms
Likely then
Showers
Likely
Monday
High: 86 °F
Chance
Showers then
Showers
Likely
Monday Night
Low: 67 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 77. Calm wind.

Friday

Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming west around 6 mph in the afternoon.

Friday Night

Mostly clear, with a low around 76. West wind around 5 mph becoming calm in the evening.

Independence Day

A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

Sunday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Monday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Monday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.