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Very Heavy Rain, Severe Thunderstorms, and High Flash Flood Risk moves into the Mississippi Valley and Midwest

Thunderstorms, some severe, with very heavy rain have moved into the Mid South and Tennessee Valley today. Flash flooding and severe thunderstorms will be possible from the central Gulf Coast to the Upper Great Lakes. The greatest threat of excessive rains will be in portions of the Lower and Middle Mississippi Valleys. This storm system has a history of producing life threatening flash floods. Read More >

Hazardous Weather Conditions

Current conditions at

Frederick Municipal Airport (KFDK)

Lat: 39.42°NLon: 77.37°WElev: 269ft.

Mostly Cloudy

27°C

81°F

Humidity 74%
Wind Speed E 9 km/h
Barometer 30.04 in
Dewpoint 22°C (72°F)
Visibility 16 km
Heat Index29°C (85°F)
Last update 30 Apr 5:47 pm EDT
Extended Forecast for

Thurmont MD

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 16. East wind 10 to 16 km/h becoming south after midnight.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Patchy Fog

    Low: 16 °C

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 27. South wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 50 km/h.  Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Patchy Fog
    then T-storms
    Likely

    High: 27 °C

  • Monday
    Night

    Monday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of showers after 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 14. West wind 21 to 27 km/h, with gusts as high as 40 km/h.  Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.

    T-storms
    Likely then
    Showers
    Likely

    Low: 14 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22. Breezy, with a west wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 55 km/h.

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

    High: 22 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 9. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.

    Partly Cloudy

    Low: 9 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17.

    Mostly Sunny

    High: 17 °C

  • Wednesday
    Night

    Wednesday Night: A chance of rain.  Mostly cloudy, with a low around 7. Chance of precipitation is 30%.

    Chance Rain

    Low: 7 °C

  • Thursday

    Thursday: Rain likely.  Cloudy, with a high near 15. Chance of precipitation is 60%.

    Rain Likely

    High: 15 °C

  • Thursday
    Night

    Thursday Night: Rain.  Low around 11. Chance of precipitation is 80%.

    Rain

    Low: 11 °C

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 16. East wind 10 to 16 km/h becoming south after midnight. Chance of precipitation is 20%.
Monday
Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 27. South wind 16 to 21 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of showers after 2am. Cloudy, then gradually becoming partly cloudy, with a low around 14. West wind 21 to 27 km/h, with gusts as high as 40 km/h. Chance of precipitation is 70%. New rainfall amounts between 5 and 7.5 mm possible.
Tuesday
Mostly sunny, with a high near 22. Breezy, with a west wind 23 to 28 km/h increasing to 29 to 34 km/h in the afternoon. Winds could gust as high as 55 km/h.
Tuesday Night
Partly cloudy, with a low around 9. West wind 18 to 23 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 34 km/h.
Wednesday
Mostly sunny, with a high near 17.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Thursday
Rain likely. Cloudy, with a high near 15. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 11. Chance of precipitation is 80%.
Friday
Rain likely. Cloudy, with a high near 19. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 11. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 18. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 17.
Click Map For Forecast
Point Forecast:
Thurmont MD
 39.62°N 77.42°W (Elev. 183 m)
4:28 pm EDT Apr 30, 2017
6pm EDT Apr 30, 2017-6pm EDT May 7, 2017
 
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