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Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Current conditions at

Pennridge Airport (KCKZ)

Lat: 40.39°NLon: 75.29°WElev: 568ft.

Fair

66°F

19°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.11 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Sep 9:55 am EDT
Extended Forecast for

Harleysville PA

  • Today

    Today: A chance of showers. Cloudy, with a high near 73. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 78. North wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. North wind around 10 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers. Cloudy, with a high near 73. Northeast wind around 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 60. Northeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 78. North wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. North wind around 10 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 71.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Harleysville PA
 40.27°N 75.39°W (Elev. 299 ft)
Last Update:
7:10 am EDT Sep 18, 2024
Forecast Valid:
10am EDT Sep 18, 2024-6pm EDT Sep 24, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation