Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

76°F

24°C

Humidity	74%
Wind Speed	SE 9 mph
Barometer	29.93 in (1014.4 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	22 Jun 8:56 am EDT

More Information:

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

Extended Forecast for

3 Miles SW North Potomac MD

Today
High: 89 °F
Scattered
T-storms then
Showers
Tonight
Low: 66 °F
Showers then
Scattered
Showers
Tuesday
High: 81 °F
Isolated
Showers
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 67 °F
Chance
T-storms then
Chance
Showers
Friday
High: 87 °F
Slight Chance
Showers then
Showers
Likely

Detailed Forecast

Today

Scattered showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 89. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm before 11pm, then scattered showers and thunderstorms between 11pm and 2am, then scattered showers after 2am. Low around 66. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

Isolated showers before 2pm. Partly sunny, with a high near 81. Northwest wind 10 to 13 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 59. Northwest wind 6 to 10 mph.

Wednesday

Sunny, with a high near 83. Northwest wind 6 to 9 mph.

Wednesday Night

Mostly clear, with a low around 63.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

Friday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Friday Night

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

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 86.