National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall for the Southwest; Thunderstorms in Florida with Flooding Possible

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

61°F

16°C

Humidity 32%
Wind Speed Vrbl 3 mph
Barometer 30.43 in (1030.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 9 Oct 3:56 pm EDT
Extended Forecast for

Mechanicsburg PA

Freeze Warning October 9, 11:00pm until October 10, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, clear, with a low around 35. North wind around 6 mph becoming calm in the evening.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 65 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Southeast wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 2pm. Partly sunny, with a high near 67. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. East wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain Likely

  • Sunday

    Sunday: Rain. High near 62. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Columbus Day

    Columbus Day: Rain likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 35. North wind around 6 mph becoming calm in the evening.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 65. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. Southeast wind around 6 mph becoming calm in the evening.
Saturday
A chance of rain, mainly after 2pm. Partly sunny, with a high near 67. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. East wind 6 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 62. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 52. Chance of precipitation is 80%.
Columbus Day
Rain likely, mainly before 2pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Monday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.22°N 77°W (Elev. 440 ft)
Last Update:
2:21 pm EDT Oct 9, 2025
Forecast Valid:
4pm EDT Oct 9, 2025-6pm EDT Oct 16, 2025
 
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