Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. 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

86°F

30°C

Humidity	55%
Wind Speed	Vrbl 3 mph
Barometer	30.10 in (1020.0 mb)
Dewpoint	68°F (20°C)
Visibility	7.00 mi
Heat Index	89°F (32°C)
Last update	4 Aug 4:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles NW Laytonsville MD

Tonight
Low: 69 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 83 °F
Showers
Likely and
Patchy Fog
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 88 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Friday
High: 87 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
T-storms
Saturday
High: 87 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 69. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.

Wednesday

Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 83. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Light southeast wind. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 88. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday

Showers likely and possibly a thunderstorm after 2pm. Mostly 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. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Saturday

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

Saturday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Mostly sunny, with a high near 89.

Monday Night

Partly cloudy, with a low around 72.