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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 61°F (16°C)
Visibility 7.00 mi
Last update 21 Aug 1:15 am EDT
Extended Forecast for

King of Prussia PA

  • Overnight

    Overnight: Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm.

    Mostly Clear

    Low: 67 °F

  • Monday

    Monday: A slight chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 1am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 73. South wind 5 to 7 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms and
    Patchy Fog

    Low: 73 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 91. Southwest wind 5 to 11 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Partly Sunny
    then Chance
    T-storms

    High: 91 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. West wind 5 to 10 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly before noon.  Partly sunny, with a high near 84. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

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

    Mostly Clear

    Low: 60 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Southwest wind around 5 mph becoming calm.
Monday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. South wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 91. Southwest wind 5 to 11 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 84. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
King of Prussia PA
 40.09°N 75.39°W (Elev. 197 ft)
12:35 am EDT Aug 21, 2017
1am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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