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

Heat Continues Across the Southern Plains and Gulf Coast; Heavy Rainfall from the Tennessee Valley to Southeast on Friday

Hazardous heat will continue across the Southern Plains, Gulf Coast and Desert Southwest through the weekend. Additional heat will build into the Great Basin and Northern Plains this weekend. A stalled front is expected to bring periods of heavy to excessive rainfall and flooding from the Tennessee Valley to the Southeast U.S on Friday. Read More >

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

68°F

20°C

Humidity 73%
Wind Speed NA
Barometer 30.20 in (1022.5 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 24 Jul 4:53 am EDT
Extended Forecast for

Catonsville MD

  • Today

    Today: Mostly sunny, with a high near 82. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. East wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 82. Calm wind becoming east 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 63. Southeast wind around 6 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 82. East wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 65. Light southeast wind.
Sunday
Sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A slight chance of showers. Sunny, with a high near 86. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Catonsville MD
 39.26°N 76.73°W (Elev. 410 ft)
Last Update:
4:53 am EDT Jul 24, 2026
Forecast Valid:
5am EDT Jul 24, 2026-6pm EDT Jul 30, 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