East Coast Flash Flood/Severe Thunderstorm Threat Monday

A cold front and waves of low pressure will slowly shift across the Mid-Atlantic and Southeast states Monday and Tuesday. Heavy thunderstorms along this front may produce heavy rain and flash flooding with the highest threat Monday from Tennessee into New England. A few strong to severe thunderstorms are also possible mainly from Northern Maryland to southern New Jersey. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

85°F

29°C

Humidity 63%
Wind Speed Calm
Barometer 29.82 in (1009.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 22 Jul 11:56 am EDT
Extended Forecast for

Marysville PA

Flash Flood Watch July 22, 02:00pm until July 23, 02:00am
Click here for hazard details and duration
Flash Flood Watch
  • This
    Afternoon

    This Afternoon: Occasional showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain.  High near 80. West wind around 5 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 80 °F

  • Tonight

    Tonight: Occasional showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rain.  Low around 64. Northwest wind around 7 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 64 °F

  • Tuesday

    Tuesday: A chance of showers, mainly before 8am.  Mostly cloudy, with a high near 77. North wind around 7 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 60. North wind around 5 mph.

    Partly Cloudy

    Low: 60 °F

  • Wednesday

    Wednesday: Sunny, with a high near 79. North wind 3 to 5 mph.

    Sunny

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Thursday

    Thursday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Friday

    Friday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

Detailed Forecast

This Afternoon
Occasional showers and possibly a thunderstorm. Some of the storms could produce gusty winds and heavy rain. High near 80. West wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Occasional showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rain. Low around 64. Northwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 77. North wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Partly cloudy, with a low around 60. North wind around 5 mph.
Wednesday
Sunny, with a high near 79. North wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Marysville PA
 40.35°N 76.94°W (Elev. 804 ft)
10:19 am EDT Jul 22, 2019
12pm EDT Jul 22, 2019-6pm EDT Jul 28, 2019
 
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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