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

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Harford County Airport (K0W3)

Lat: 39.57°NLon: 76.2°WElev: 412ft.

Fair

77°F

25°C

Humidity 46%
Wind Speed S 14 G 18 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 31 Mar 1:55 pm EDT
Extended Forecast for

4 Miles E Rising Sun MD

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 79. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 79 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 64. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 53. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 63. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 79. Southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
Isolated showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 64. Southwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 53. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 63. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Rising Sun MD
 39.69°N 75.99°W (Elev. 400 ft)
Last Update:
10:54 am EDT Mar 31, 2026
Forecast Valid:
2pm EDT Mar 31, 2026-6pm EDT Apr 6, 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