Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Partly Cloudy

70°F

21°C

Humidity	90%
Wind Speed	S 6 mph
Barometer	30.05 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	20 May 3:35 am EDT

More Information:

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

Extended Forecast for

Green Valley MD

Overnight
Low: 70 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny then
Showers
Likely
Wednesday Night
Low: 55 °F
Showers
Likely
Thursday
High: 64 °F
Showers
Thursday Night
Low: 52 °F
Chance
Showers then
Showers
Likely
Friday
High: 60 °F
Showers
Friday Night
Low: 48 °F
Showers
Saturday
High: 61 °F
Showers
Saturday Night
Low: 53 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 70. Calm wind.

Wednesday

A chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 92. West wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Showers and possibly a thunderstorm before 2pm, then showers likely. High near 64. Northeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers before 7pm, then showers likely after 8pm. Mostly cloudy, with a low around 52. Light northeast wind. Chance of precipitation is 60%.

Friday

Showers. High near 60. Chance of precipitation is 90%.

Friday Night

Showers. Low around 48. Chance of precipitation is 90%.

Saturday

Showers. High near 61. Chance of precipitation is 90%.

Saturday Night

Showers likely, mainly before 2am. Cloudy, with a low around 53. Chance of precipitation is 60%.

Sunday

A chance of showers before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.

Sunday Night

A chance of showers. Cloudy, with a low around 59. Chance of precipitation is 50%.