Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

55°F

13°C

Humidity 51%
Wind Speed Calm
Barometer 29.95 in (1014.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 21 Mar 1:56 pm EDT
Extended Forecast for

2 Miles SSW Summerdale PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 58. North wind around 6 mph.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Light southeast wind.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe.  Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe.  Low around 41. North wind 5 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: Mostly sunny, with a high near 50. Northwest wind around 14 mph, with gusts as high as 24 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 58. North wind around 6 mph.
Tonight
Mostly cloudy, with a low around 46. Light southeast wind.
Sunday
A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Some of the storms could be severe. Low around 41. North wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Mostly sunny, with a high near 50. Northwest wind around 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 51. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Summerdale PA
 40.27°N 76.99°W (Elev. 400 ft)
2:21 pm EDT Mar 21, 2026
2pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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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