Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

84°F

29°C

Humidity 70%
Wind Speed NA
Barometer 29.93 in (1013.6 mb)
Dewpoint 73°F (23°C)
Visibility NA
Heat Index90°F (32°C)
Last update 27 Aug 3:53 pm EDT
Extended Forecast for

3 Miles NW Catonsville MD

Severe T-storm Watch until August 27, 10:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until August 27, 10:00pm

    NOW until 10:00pm Thu

    Severe T-storm Watch

  • This Afternoon

    High: 87 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then isolated showers between 2am and 5am. Some of the storms could be severe and produce heavy rainfall.  Patchy fog before 4am, then patchy fog after 5am. Low around 68. South wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 68 °F

    Severe
    Thunderstorms
    then
    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 86 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 67. Calm wind.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. North wind 3 to 5 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then scattered showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 87. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then isolated showers between 2am and 5am. Some of the storms could be severe and produce heavy rainfall. Patchy fog before 4am, then patchy fog after 5am. Low around 68. South wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 86. North wind 3 to 5 mph.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Catonsville MD
 39.29°N 76.78°W (Elev. 407 ft)
3:59 pm EDT Aug 27, 2026
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 2026
 
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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