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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

91°F

33°C

Humidity 39%
Wind Speed NA
Barometer 30.04 in (1017.3 mb)
Dewpoint 63°F (17°C)
Visibility NA
Heat Index92°F (33°C)
Last update 30 Jun 5:53 pm EDT
Extended Forecast for

3 Miles SE Gwynn Oak MD

Extreme Heat Watch July 2, 11:00am until July 3, 08:00pm
Heat Advisory July 1, 11:00am until July 1, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: A slight chance of showers between 11pm and 3am. Partly cloudy, with a low around 73. South wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming south around 6 mph in the afternoon.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 80. South wind 3 to 6 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 30%.

    High: 102 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 30%.

    Low: 78 °F

    Chance
    T-storms then
    Partly Cloudy

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 40%.

    High: 100 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers between 11pm and 3am. Partly cloudy, with a low around 73. South wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers between 1pm and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 76. South wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 110. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 80. South wind 3 to 6 mph.
Friday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 78. Chance of precipitation is 30%.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Sunday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Gwynn Oak MD
 39.3°N 76.69°W (Elev. 200 ft)
Last Update:
4:53 pm EDT Jun 30, 2026
Forecast Valid:
6pm EDT Jun 30, 2026-6pm EDT Jul 7, 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