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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 >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

A Few Clouds

52°F

11°C

Humidity 31%
Wind Speed NW 13 G 25 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 19 Apr 6:56 pm EDT
Extended Forecast for

2 Miles SSW Summerdale PA

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

  • Tonight

    Tonight: A slight chance of showers after 2am. Increasing clouds, with a low around 39. Northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 2pm. 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 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 2am. Increasing clouds, with a low around 39. Northwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 50. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 57. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 44. South wind around 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 77.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Summerdale PA
 40.27°N 76.99°W (Elev. 400 ft)
Last Update:
2:51 pm EDT Apr 19, 2026
Forecast Valid:
7pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
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