Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

78°F

26°C

Humidity	100%
Wind Speed	SE 9 mph
Barometer	29.84 in (1011.1 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	2 Aug 2:56 pm EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

This Afternoon
High: 84 °F
Showers
Tonight
Low: 71 °F
Showers and
Patchy Fog
Monday
High: 84 °F
Slight Chance
T-storms then
Chance
T-storms
Monday Night
Low: 66 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 84 °F
Partly Sunny
Tuesday Night
Low: 68 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday
High: 86 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 89 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 84. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms, mainly before 3am. Patchy fog between midnight and 2am. Low around 71. Southeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday

A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 84. Southwest wind around 7 mph becoming west in the afternoon. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. Light north wind. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 84. Northeast wind around 5 mph.

Tuesday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

Wednesday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Chance of precipitation is 60%.