Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. Read More >

Hazardous Weather Conditions

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Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Clear

82°F

28°C

Humidity	74%
Wind Speed	S 3 mph
Barometer	29.97 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	20 Jul 7:47 am EDT

More Information:

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

Extended Forecast for

Frederick Municipal Airport MD

Excessive Heat Watch July 21, 11:00am until July 21, 09:00pm

Excessive Heat Warning July 20, 11:00am until July 20, 09:00pm

Click here for hazard details and duration

Excessive Heat Watch

Excessive Heat Warning

Today

Patchy Fog
then Slight
Chance
T-storms and
Patchy Fog
High: 99 °F
Tonight

Slight Chance
T-storms then
Patchy Fog
Low: 78 °F
Sunday

Chance
T-storms and
Patchy Fog
High: 98 °F
Sunday
Night

Chance
T-storms
Low: 75 °F
Monday

Heavy Rain
High: 88 °F
Monday
Night

Heavy Rain
Low: 67 °F
Tuesday

Chance
Showers
High: 81 °F
Tuesday
Night

Partly Cloudy
Low: 62 °F
Wednesday

Mostly Sunny
High: 82 °F

Detailed Forecast

Today

A slight chance of showers and thunderstorms between 2pm and 3pm. Patchy fog before 2pm. Otherwise, mostly sunny and hot, with a high near 99. Heat index values as high as 110. West wind 3 to 8 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms between 7pm and 11pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 78. West wind 3 to 6 mph. Chance of precipitation is 20%.

Sunday

A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 7am. Otherwise, mostly sunny and hot, with a high near 98. Heat index values as high as 110. West wind 5 to 8 mph. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Monday

Showers likely and possibly a thunderstorm, then showers and thunderstorms after noon. Some of the storms could produce heavy rain. High near 88. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 90%.

Monday Night

Showers and thunderstorms likely, mainly before midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 67. Chance of precipitation is 70%.

Tuesday

A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

Tuesday Night

Partly cloudy, with a low around 62.

Wednesday

Mostly sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 61.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 64.