National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Mostly Cloudy

82°F

28°C

Humidity 63%
Wind Speed SW 7 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Sep 1:54 pm EDT
Extended Forecast for

Gambrills MD

Coastal Flood Advisory until September 21, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until September 21, 06:00am

    NOW until 6:00am Mon

    Coastal Flood Advisory

  • This Afternoon

    High: 82 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Light and variable wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Showers
    Likely then
    Scattered
    Showers

  • Monday

    Monday: Isolated showers after 2pm. Increasing clouds, with a high near 75. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 75 °F

    Partly Sunny
    then Isolated
    Showers

  • Monday Night

    Monday Night: Showers, mainly after 8pm. Low around 59. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 67. Northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely. Partly sunny, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Light and variable wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Isolated showers after 2pm. Increasing clouds, with a high near 75. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Monday Night
Showers, mainly after 8pm. Low around 59. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 67. Northeast wind 13 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
Showers likely. Cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
A slight chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A slight chance of showers. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Saturday
A slight chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gambrills MD
 39.05°N 76.68°W (Elev. 154 ft)
Last Update:
2:23 pm EDT Sep 20, 2026
Forecast Valid:
2pm EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation