Severe Weather and Heavy Rain Threat over the Central U.S.; Dangerous Heat In the South

Widespread strong to severe storms and heavy rain remain possible tonight across parts of the central and southern Plains into southern Missouri. The threat will move over parts of the middle Mississippi Valley and Ohio Valley from Sunday into Monday morning. A dangerous early-season heat wave continues over south Texas and southern Florida. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

85°F

29°C

Humidity	46%
Wind Speed	SE 5 mph
Barometer	29.88 in (1012.5 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	26 May 3:56 pm EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

This Afternoon
High: 85 °F
Isolated
T-storms
Tonight
Low: 67 °F
Scattered
T-storms then
Showers
Likely
Memorial Day
High: 83 °F
Chance
T-storms then
T-storms
Monday Night
Low: 62 °F
T-storms then
Chance
Showers
Tuesday
High: 80 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 76 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 53 °F
Chance
T-storms then
Mostly Clear
Thursday
High: 71 °F
Sunny

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Partly sunny, with a high near 85. Southeast wind around 6 mph. Chance of precipitation is 20%.

Tonight

Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then scattered showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Memorial Day

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 83. South wind 9 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 62. Southwest wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 80. West wind 7 to 11 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 59.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 76. Chance of precipitation is 50%.

Wednesday Night

A chance of thunderstorms before 8pm. Mostly clear, with a low around 53. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 71.

Thursday Night

Mostly clear, with a low around 51.