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

Bay Bridge Field (KW29)

Lat: 38.98°NLon: 76.33°WElev: 49ft.

Partly Cloudy

72°F

22°C

Humidity 83%
Wind Speed SE 9 mph
Barometer 30.08 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Sep 11:15 pm EDT
Extended Forecast for

3 Miles SE Cape Saint Claire MD

Coastal Flood Advisory September 20, 01:37am until September 20, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 20, 01:37am until September 20, 05:00am

    NOW until 5:00am Sun

    Coastal Flood Advisory

  • Overnight

    Low: 70 °F

    Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. South wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 69. South wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 72. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Cloudy, with a low around 66. Northeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Cloudy, with a high near 69. Breezy. Chance of precipitation is 50%.

    High: 69 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers. Cloudy, with a low around 62. Breezy. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 68. Breezy. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Cloudy, with a low around 70. Southeast wind around 13 mph.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. South wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. South wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 72. North wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Cloudy, with a low around 66. Northeast wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers. Cloudy, with a high near 69. Breezy. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Cloudy, with a low around 62. Breezy. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Breezy. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 61. Breezy. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 68. Breezy. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 69. Breezy. Chance of precipitation is 30%.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 61. 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:
3 Miles SE Cape Saint Claire MD
 39°N 76.4°W (Elev. 0 ft)
Last Update:
10:54 pm EDT Sep 19, 2026
Forecast Valid:
1am 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