Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Baltimore / Martin (KMTN)

Lat: 39.33°NLon: 76.42°WElev: 23ft.

Overcast

77°F

25°C

Humidity	58%
Wind Speed	SW 8 mph
Barometer	29.99 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	10 Sep 2:15 am EDT

More Information:

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

Extended Forecast for

Glen Arm MD

Overnight
Low: 72 °F
Mostly Cloudy
Thursday
High: 87 °F
Slight Chance
Showers then
Partly Sunny
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 80 °F
Decreasing
Clouds
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 80 °F
Mostly Cloudy
then Chance
Showers
Saturday Night
Low: 68 °F
Showers
Sunday
High: 84 °F
Showers then
Slight Chance
T-storms
Sunday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. Southwest wind around 9 mph, with gusts as high as 21 mph.

Thursday

A slight chance of showers before 9am. Partly sunny, with a high near 87. West wind around 7 mph. Chance of precipitation is 20%.

Thursday Night

Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 67. Light northwest wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind 3 to 6 mph.

Friday Night

Partly cloudy, with a low around 63. Calm wind.

Saturday

A chance of showers after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 68. Chance of precipitation is 80%.

Sunday

Showers and possibly a thunderstorm before 8am, then a slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. High near 84. Chance of precipitation is 80%.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Mostly sunny, with a high near 83.

Tuesday Night

Partly cloudy, with a low around 68.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.