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Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 16 Oct 4:35 am EDT
Extended Forecast for

Bel Air South MD

  • Overnight

    Overnight: A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 57. South wind around 7 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 54 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 57. South wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms after 5pm. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. South wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 47. Northwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 17 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 36. North wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bel Air South MD
 39.5°N 76.31°W (Elev. 240 ft)
Last Update:
4:53 am EDT Oct 16, 2026
Forecast Valid:
5am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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