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

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fair

81°F

27°C

Humidity 41%
Wind Speed SW 13 mph
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 8.00 mi
Heat Index81°F (27°C)
Last update 31 Mar 5:55 pm EDT
Extended Forecast for

3 Miles NNE Port Republic MD

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 5pm.  Mostly sunny, with a high near 82. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Sunny then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 56. Southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: A slight chance of showers before 8am, then a chance of showers after 2pm.  Mostly sunny, with a high near 71. Southeast wind 5 to 9 mph.  Chance of precipitation is 30%.

    High: 71 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm.  Mostly clear, with a low around 55. Southeast wind around 7 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 63. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers, mainly after 5pm. Mostly sunny, with a high near 82. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 71. Southeast wind 5 to 9 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Mostly clear, with a low around 55. Southeast wind around 7 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Showers likely, mainly after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 70%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Port Republic MD
 38.52°N 76.54°W (Elev. 98 ft)
4:54 pm EDT Mar 31, 2026
6pm EDT Mar 31, 2026-6pm EDT Apr 7, 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