Hazardous Weather Conditions
Current conditions at
Baltimore / Martin (KMTN)
Lat: 39.33°NLon: 76.42°WElev: 23ft.
Partly Cloudy
51°F
11°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 29.95 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 5:15 am EDT |
Extended Forecast for
Glen Arm MD
Today
High: 74 °F
Showers
LikelyTonight
Low: 43 °F
Severe
Thunderstorms
then ShowersThursday
High: 46 °F⇓
Showers and
Breezy then
Chance
ShowersThursday Night
Low: 31 °F
Mostly Clear
Friday
High: 51 °F
Partly Sunny
then Mostly
Cloudy and
BreezyFriday Night
Low: 38 °F
Partly Cloudy
Saturday
High: 51 °F
Sunny
Saturday Night
Low: 36 °F
Mostly Cloudy
Sunday
High: 56 °F
Cloudy
Detailed Forecast
Today
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 74. South wind 5 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms, then showers after 1am. Some of the storms could be severe. Low around 43. South wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 8am. Temperature falling to around 44 by noon. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 5 to 8 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 51. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 56.
Sunday Night
Rain, mainly after 2am. Low around 47. Chance of precipitation is 80%.
Monday
Rain. High near 59. Chance of precipitation is 80%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 37.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Glen Arm MD
39.46°N 76.52°W (Elev. 407 ft)
39.46°N 76.52°W (Elev. 407 ft)
5:20 am EDT Mar 11, 2026
5am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
