Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

State College Regional Airport (KUNV)

Lat: 40.85°NLon: 77.85°WElev: 1231ft.

Light Rain

46°F

8°C

Humidity 76%
Wind Speed NW 12 G 21 mph
Barometer 29.92 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 5:53 am EDT
Extended Forecast for

Petersburg PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Today

    Today: Showers, mainly before 8am.  High near 52. Northwest wind 10 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers then
    Mostly Sunny

  • Tonight

    Tonight: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 2am, then a slight chance of rain showers after 2am.  Partly cloudy, with a low around 33. West wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 33 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: Widespread frost before 9am.  Otherwise, mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 47 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Widespread frost after 3am.  Otherwise, mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 26 °F

    Mostly Clear
    then Frost

  • Tuesday

    Tuesday: Sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 44. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers.  Partly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Showers, mainly before 8am. High near 52. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 2am, then a slight chance of rain showers after 2am. Partly cloudy, with a low around 33. West wind 3 to 6 mph. Chance of precipitation is 30%.
Monday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Monday Night
Widespread frost after 3am. Otherwise, mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Saturday
Showers likely. Partly sunny, with a high near 73. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg PA
 40.57°N 78.04°W (Elev. 801 ft)
2:21 am EDT Apr 19, 2026
6am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
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Additional Resources

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