Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity this afternoon and evening. Additional strong to severe storms are expected across the upper Ohio Valley and Lower Great Lakes area. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Tuesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

86°F

30°C

Humidity	42%
Wind Speed	S 12 mph
Barometer	29.83 in (1009.9 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	14 Jun 11:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NW Duncannon PA

This Afternoon
High: 90 °F
Severe
Thunderstorms
Tonight
Low: 58 °F
Severe
Thunderstorms
then Partly
Cloudy
Monday
High: 74 °F
Mostly Sunny
Monday Night
Low: 53 °F
Mostly Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 82 °F
Partly Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
then Chance
Showers
Thursday
High: 87 °F
Showers
Likely

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Cloudy, with a high near 90. South wind 7 to 9 mph, with gusts 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.

Tonight

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Some of the storms could be severe. Low around 58. South wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Mostly sunny, with a high near 74. Northwest wind around 9 mph, with gusts as high as 21 mph.

Monday Night

Mostly clear, with a low around 53. Northwest wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 57.

Wednesday

Partly sunny, with a high near 82.

Wednesday Night

A chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.