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

83°F

28°C

Humidity	55%
Wind Speed	Vrbl 3 mph
Barometer	30.13 in (1021.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	4 Aug 12:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles NE Barnesville MD

This Afternoon
High: 84 °F
Partly Sunny
Tonight
Low: 68 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 83 °F
Showers
Likely
Wednesday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Friday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 87 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Partly sunny, with a high near 84. East wind 3 to 5 mph.

Tonight

A chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Light and variable wind becoming south around 6 mph in the afternoon. 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 before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Light south wind. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

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 before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 71.