Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Overcast

79°F

26°C

Humidity	84%
Wind Speed	SE 7 mph
Barometer	29.93 in
Dewpoint	73°F (23°C)
Visibility	7.00 mi
Heat Index	83°F (28°C)
Last update	17 Jun 6:47 pm EDT

More Information:

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

Extended Forecast for

2 Miles ENE Jefferson MD

Flood Watch June 17, 06:58pm until June 18, 12:00am

Click here for hazard details and duration

Flood Watch

Flood Watch June 17, 06:58pm until June 18, 12:00am
NOW until 12:00am Wed
Flood Watch
Tonight
Low: 70 °F
Heavy Rain
then Chance
Showers
Wednesday
High: 88 °F
Slight Chance
T-storms then
Showers
Wednesday Night
Low: 71 °F
Mostly Clear
Juneteenth
High: 91 °F
Slight Chance
Showers then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 90 °F
Sunny

Detailed Forecast

Tonight

Showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Some of the storms could produce heavy rainfall. Low around 70. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 88. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Mostly clear, with a low around 71. Light southwest wind.

Juneteenth

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 91. Heat index values as high as 101. Southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. West wind 6 to 8 mph. Chance of precipitation is 60%.

Friday

Sunny, with a high near 85.

Friday Night

Mostly clear, with a low around 66.

Saturday

Sunny, with a high near 90.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

Mostly sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 74.