Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

77°F

25°C

Humidity	100%
Wind Speed	S 10 mph
Barometer	29.87 in (1012.1 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	2 Aug 12:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles W Glenwood MD

This Afternoon
High: 82 °F
Showers
Likely
Tonight
Low: 70 °F
Showers
Monday
High: 83 °F
Slight Chance
T-storms then
Chance
T-storms
Monday Night
Low: 64 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 83 °F
Partly Sunny
Tuesday Night
Low: 66 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday
High: 84 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 87 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

This Afternoon

Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 82. Southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms, mainly before 3am. Low around 70. South wind around 7 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 83. Southwest wind around 6 mph becoming west in the afternoon. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 64. Light north wind. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 83. Northeast wind 3 to 5 mph.

Tuesday Night

A slight chance of showers after 2am. Mostly cloudy, with a low around 66. 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 84. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

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

Thursday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Saturday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.