Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Current conditions at

State College Regional Airport (KUNV)

Lat: 40.85°NLon: 77.85°WElev: 1231ft.

Fair

44°F

7°C

Humidity 65%
Wind Speed N 3 mph
Barometer 30.46 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Oct 11:15 pm EDT
Extended Forecast for

Lemont PA

Freeze Warning until October 10, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until October 10, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Tonight

    Low: 29 °F

    Frost

  • Friday

    Friday: Widespread frost before 9am.  Otherwise, sunny, with a high near 61. Calm wind becoming south 5 to 9 mph in the morning.

    High: 61 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of rain after 2pm.  Mostly sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 30%.

    High: 64 °F

    Mostly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 8pm.  Mostly cloudy, with a low around 50. East wind 5 to 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 60. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Columbus Day

    Columbus Day: A chance of rain.  Mostly cloudy, with a high near 58. Chance of precipitation is 40%.

    High: 58 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost, mainly after 2am. Otherwise, clear, with a low around 29. Calm wind.
Friday
Widespread frost before 9am. Otherwise, sunny, with a high near 61. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 41. South wind 3 to 6 mph.
Saturday
A chance of rain after 2pm. Mostly sunny, with a high near 64. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 30%.
Saturday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 50. East wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Columbus Day
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 40%.
Monday Night
A chance of rain before 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Lemont PA
 40.78°N 77.89°W (Elev. 1211 ft)
8:05 pm EDT Oct 9, 2025
11pm EDT Oct 9, 2025-6pm EDT Oct 16, 2025
 
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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