Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Short Term Forecast

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog

66°F

19°C

Humidity	NA
Wind Speed	S 3 mph
Barometer	29.85 in (1011.9 mb)
Dewpoint	N/A
Visibility	0.50 mi
Last update	23 Aug 5:56 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Great Falls VA

Today
High: 82 °F
Becoming
Sunny
Tonight
Low: 61 °F
Mostly Clear
Monday
High: 81 °F
Sunny
Monday Night
Low: 59 °F
Clear
Tuesday
High: 83 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy
then Chance
Showers
Thursday
High: 86 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

Partly sunny, then gradually becoming sunny, with a high near 82. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Tonight

Mostly clear, with a low around 61. West wind around 6 mph becoming calm in the evening.

Monday

Sunny, with a high near 81. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

Clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 83. West wind 3 to 7 mph.

Tuesday Night

Mostly clear, with a low around 61.

Wednesday

Mostly sunny, with a high near 87.

Wednesday Night

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Thursday 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 68. Chance of precipitation is 60%.

Friday

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

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 85.