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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Mostly Cloudy

92°F

33°C

Humidity 51%
Wind Speed W 8 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 17 Aug 1:54 pm EDT
Extended Forecast for

South Gate MD

Coastal Flood Advisory August 18, 12:00am until August 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 93. Heat index values as high as 101. West wind around 6 mph.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Cloudy, with a high near 77. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 66. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 8 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 101. West wind around 6 mph.
Tonight
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming light and variable. Chance of precipitation is 40%.
Monday
A slight chance of showers after 2pm. Cloudy, with a high near 77. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 66. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 77. East wind around 8 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Gate MD
 39.14°N 76.64°W (Elev. 105 ft)
Last Update:
1:29 pm EDT Aug 17, 2025
Forecast Valid:
2pm EDT Aug 17, 2025-6pm EDT Aug 23, 2025
 
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