Hot Temperatures, Excessive Rainfall, and Severe Thunderstorms in the Eastern U.S.

Hot temperatures are expected again today along the Mid-Atlantic, Southeast, and lower Mississippi Valley. Heavy to excessive rainfall from thunderstorms today in parts of the Midwest to the Mid-Atlantic regions may bring areas of flooding. Severe thunderstorms pose a risk for damaging wind gusts across the Mid Atlantic region again today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Fair

77°F

25°C

Humidity	83%
Wind Speed	Calm
Barometer	29.99 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	5 Jul 8:47 am EDT

More Information:

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

Extended Forecast for

Green Valley MD

Today
High: 93 °F
Mostly Sunny
then T-storms
Likely
Tonight
Low: 69 °F
T-storms and
Patchy Fog
then Showers
Likely and
Patchy Fog
Monday
High: 84 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
Likely
Monday Night
Low: 67 °F
Showers
Tuesday
High: 81 °F
Showers
Likely
Tuesday Night
Low: 66 °F
Showers
Likely
Wednesday
High: 82 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 93. Heat index values as high as 102. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 1am. Patchy fog after 10pm. Low around 69. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 84. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and possibly a thunderstorm before 2am, then showers likely. Low around 67. Light northeast wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Northeast wind 3 to 5 mph. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 82. Chance of precipitation is 40%.

Wednesday Night

A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.