Severe Thunderstorms and Flash Flooding Possible Through the Holiday Weekend

Severe thunderstorms, heavy rainfall, and additional flash flooding will remain possible across much of the central U.S. and into parts of the Ohio Valley and Mid Atlantic through Monday. Elsewhere, cool and unsettled weather will persist over the West, while record high temperatures are expected in the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Clear

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	26 May 7:47 am EDT

More Information:

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

Extended Forecast for

Thurmont MD

Today

Patchy Fog
then Severe
Thunderstorms
High: 86 °F
Tonight

Severe
Thunderstorms
and Patchy
Fog
Low: 64 °F
Memorial
Day

Chance
Showers and
Patchy Fog
High: 82 °F
Monday
Night

Slight Chance
T-storms then
Chance
Showers
Low: 62 °F
Tuesday

Chance
Showers then
Chance
T-storms
High: 85 °F
Tuesday
Night

Chance
T-storms then
Chance
Showers
Low: 65 °F
Wednesday

Mostly Sunny
High: 89 °F
Wednesday
Night

Mostly Cloudy
Low: 70 °F
Thursday

Chance
Showers then
Chance
T-storms
High: 86 °F

Detailed Forecast

Today

Showers and thunderstorms likely after 2pm. Some storms could be severe, with large hail and damaging winds. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Some storms could be severe, with large hail and damaging winds. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. Northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Memorial Day

A chance of showers and thunderstorms, mainly before 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 82. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

Monday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 62. Light and variable wind. Chance of precipitation is 50%.

Tuesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South wind 5 to 8 mph. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 89.

Wednesday Night

Mostly cloudy, with a low around 70.

Thursday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

Friday

A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 60.