Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

74°F

23°C

Humidity 57%
Wind Speed SE 16 G 29 mph
Barometer 29.75 in (1008.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Apr 7:53 pm EDT
Extended Forecast for

4 Miles N Williamsport MD

  • Tonight

    Tonight: Scattered showers and thunderstorms, then showers likely after 11pm.  Patchy fog between 2am and 3am.  Otherwise, cloudy, with a low around 47. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 9am.  High near 57. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Isolated showers.  Partly cloudy, with a low around 38. West wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 38 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers before 2pm.  Mostly sunny, with a high near 51. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am.  Partly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms, then showers likely after 11pm. Patchy fog between 2am and 3am. Otherwise, cloudy, with a low around 47. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers, mainly before 9am. High near 57. Northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Isolated showers. Partly cloudy, with a low around 38. West wind 5 to 7 mph. Chance of precipitation is 20%.
Monday
Isolated showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 28. Northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 60.
Tuesday Night
A chance of showers after 2am. Partly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 52.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 56.
Saturday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
7:53 pm EDT Apr 18, 2026
8pm EDT Apr 18, 2026-6pm EDT Apr 25, 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