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

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

73°F

23°C

Humidity 100%
Wind Speed E 5 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 27 Aug 6:35 pm EDT
Extended Forecast for

3 Miles NNW Churchville MD

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

    NOW until 10:00pm Thu

    Severe T-storm Watch

  • Tonight

    Low: 67 °F

    Severe
    Thunderstorms
    then
    Scattered
    Showers

  • Friday

    Friday: A slight chance of showers and thunderstorms after 3pm.  Patchy fog between 7am and 8am.  Otherwise, partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 85 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then isolated showers. Some of the storms could be severe. Mostly cloudy, with a low around 67. South wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers and thunderstorms after 3pm. Patchy fog between 7am and 8am. Otherwise, partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 85. Northeast wind 3 to 5 mph.
Saturday Night
Partly cloudy, with a low around 67. Calm wind.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Churchville MD
 39.59°N 76.27°W (Elev. 164 ft)
4:53 pm EDT Aug 27, 2026
6pm 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