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

67°F

19°C

Humidity 66%
Wind Speed SE 7 mph
Barometer 29.98 in (1015.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 18 Apr 8:53 am EDT
Extended Forecast for

4 Miles N Williamsport MD

  • Today

    Today: Mostly sunny, with a high near 84. South wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely.  Low around 49. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Sunday

    Sunday: Showers likely before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 56. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Isolated showers after 8pm.  Partly cloudy, with a low around 38. West wind 5 to 8 mph.  Chance of precipitation is 20%.

    Low: 38 °F

    Isolated
    Showers

  • Monday

    Monday: Isolated showers before 2pm.  Mostly sunny, with a high near 52. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 52 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 84. South wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 4am, then showers likely. Low around 49. South wind 6 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Northwest wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Isolated showers after 8pm. Partly cloudy, with a low around 38. West wind 5 to 8 mph. Chance of precipitation is 20%.
Monday
Isolated showers before 2pm. Mostly sunny, with a high near 52. Northwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 51.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
9:44 am EDT Apr 18, 2026
9am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database