Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

66°F

19°C

Humidity	NA
Wind Speed	Calm
Barometer	30.12 in (1020.9 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	15 Jun 1:56 pm EDT

More Information:

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

Extended Forecast for

Dayton MD

This Afternoon
High: 67 °F
Scattered
Showers
Tonight
Low: 62 °F
Showers
Likely
Monday
High: 70 °F
Chance
Showers then
Slight Chance
Showers
Monday Night
Low: 64 °F
Chance
Showers
Tuesday
High: 79 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 87 °F
Chance
Showers
Wednesday Night
Low: 72 °F
Mostly Clear
Juneteenth
High: 90 °F
Sunny then
Chance
T-storms

Detailed Forecast

This Afternoon

Scattered showers. Cloudy, with a high near 67. East wind around 7 mph. Chance of precipitation is 30%.

Tonight

Showers and thunderstorms likely before 2am, then a chance of showers. Cloudy, with a low around 62. East wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers, mainly before noon. Cloudy, with a high near 70. Northeast wind around 7 mph. Chance of precipitation is 50%.

Monday Night

A chance of showers, mainly after 2am. Cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 79. South wind around 6 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Wednesday

A chance of showers after 8am. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

Wednesday Night

Mostly clear, with a low around 72.

Juneteenth

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Friday

Sunny, with a high near 83.

Friday Night

Partly cloudy, with a low around 63.