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

Excessive Heat in Southern California; Tropical Storm Ian Expected to Rapidly Intensify

Excessive heat is possible through Wednesday over southern California. Strong thunderstorms may pose some risk for severe weather across parts of the upper Ohio Valley into the northern Mid Atlantic coast. Tropical Storm Ian is forecast to approach the Florida peninsula at major hurricane strength by midweek, and poses a risk of dangerous storm surge, hurricane-force winds, and heavy rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

59°F

15°C

Humidity 78%
Wind Speed Calm
Barometer 29.82 in (1009.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 25 Sep 4:56 am EDT
Extended Forecast for

5 Miles WSW Mount Holly Springs PA

  • Today

    Today: Showers and possibly a thunderstorm. Some of the storms could be severe. High near 73. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    Severe
    Thunderstorms

    High: 73 °F

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 54. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms
    then Mostly
    Clear

    Low: 54 °F

  • Monday

    Monday: Sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 26 mph.

    Sunny

    High: 70 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 50. Southwest wind around 7 mph.

    Mostly Clear

    Low: 50 °F

  • Tuesday

    Tuesday: Sunny, with a high near 66. West wind 6 to 11 mph, with gusts as high as 22 mph.

    Sunny

    High: 66 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 46.

    Mostly Clear

    Low: 46 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63.

    Mostly Sunny

    High: 63 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 45.

    Mostly Clear

    Low: 45 °F

  • Thursday

    Thursday: Sunny, with a high near 62.

    Sunny

    High: 62 °F

Detailed Forecast

Today
Showers and possibly a thunderstorm. Some of the storms could be severe. High near 73. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 54. West wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 70. West wind 6 to 14 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 50. Southwest wind around 7 mph.
Tuesday
Sunny, with a high near 66. West wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 64.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
5 Miles WSW Mount Holly Springs PA
 40.09°N 77.28°W (Elev. 781 ft)
Last Update:
5:21 am EDT Sep 25, 2022
Forecast Valid:
5am EDT Sep 25, 2022-6pm EDT Oct 1, 2022
 
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Additional Resources

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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