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

Dangerous Heat Wave Continues; Severe Thunderstorms and Heavy Rain from the Central Plains to the Midwest

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorm are expected from the northern/central Plains to the Mid-Atlantic. Isolated slash flooding is possible from the central Plains to the Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

100°F

38°C

Humidity 39%
Wind Speed NA
Barometer 29.93 in (1013.3 mb)
Dewpoint 71°F (22°C)
Visibility NA
Heat Index108°F (42°C)
Last update 3 Jul 6:53 pm EDT
Extended Forecast for

Lutherville Timonium MD

Severe T-storm Watch until July 3, 11:00pm
Extreme Heat Warning July 4, 10:00am until July 4, 09:00pm
Extreme Heat Warning July 3, 07:04pm until July 3, 09:00pm
Click here for hazard details and duration
...
Extreme Heat Warning
...
  •  
    Severe T-storm Watch until July 3, 11:00pm
    Extreme Heat Warning July 3, 07:04pm until July 3, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 78 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers before 7am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Light east wind. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 78. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.
Independence Day
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Sunday
A slight chance of showers before 7am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 70. Light east wind. Chance of precipitation is 80%.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lutherville Timonium MD
 39.45°N 76.64°W (Elev. 367 ft)
Last Update:
4:53 pm EDT Jul 3, 2026
Forecast Valid:
7pm EDT Jul 3, 2026-6pm EDT Jul 10, 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