Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

65°F

18°C

Humidity 59%
Wind Speed S 13 G 26 mph
Barometer 30.10 in (1020.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 30 Mar 10:53 pm EDT
Extended Forecast for

4 Miles N Williamsport MD

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 62. South wind around 7 mph.  Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 5pm.  Partly sunny, with a high near 79. West wind 7 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming light and variable.  Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers after 2pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 80. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 79. West wind 7 to 10 mph, with gusts as high as 18 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. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 56.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Showers likely after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Williamsport MD
 39.66°N 77.82°W (Elev. 472 ft)
10:54 pm EDT Mar 30, 2026
11pm EDT Mar 30, 2026-6pm EDT Apr 6, 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