Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.17 in
Dewpoint 45°F (7°C)
Visibility 0.15 mi
Wind Chill42°F (6°C)
Last update 5 Mar 6:55 am EST
Extended Forecast for

3 Miles NNE Port Republic MD

Dense Fog Advisory March 5, 07:07am until March 5, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 5, 07:07am until March 5, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 59 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Scattered showers, mainly between 9pm and 5am.  Patchy fog before midnight, then areas of fog after 3am.  Otherwise, mostly cloudy, with a low around 45. North wind 3 to 5 mph.  Chance of precipitation is 40%.

    Low: 45 °F

    Scattered
    Showers and
    Areas Fog

  • Friday

    Friday: Isolated showers before 7am, then isolated showers after 1pm.  Areas of fog before 9am.  Otherwise, mostly cloudy, with a high near 53. Northeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 53 °F

    Areas Fog
    then Isolated
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 1am.  Mostly cloudy, with a low around 43. East wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 1pm.  Patchy fog before 9am.  Otherwise, partly sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 70 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 67. Chance of precipitation is 40%.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming east around 6 mph in the afternoon.
Tonight
Scattered showers, mainly between 9pm and 5am. Patchy fog before midnight, then areas of fog after 3am. Otherwise, mostly cloudy, with a low around 45. North wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Isolated showers before 7am, then isolated showers after 1pm. Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 53. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 43. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers after 1pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Port Republic MD
 38.52°N 76.54°W (Elev. 98 ft)
6:55 am EST Mar 5, 2026
7am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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