Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

32°F

0°C

Humidity	73%
Wind Speed	NE 3 mph
Barometer	30.37 in (1028.7 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Last update	21 Apr 4:56 am EDT

More Information:

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

Extended Forecast for

Hummelstown PA

Freeze Warning April 21, 05:45am until April 21, 09:00am

Click here for hazard details and duration

...

Freeze Warning April 21, 05:45am until April 21, 09:00am
NOW until 9:00am Tue
Freeze Warning
Today
High: 57 °F
Sunny
Tonight
Low: 45 °F
Scattered
Showers
Wednesday
High: 66 °F
Chance
Showers
Wednesday Night
Low: 48 °F
Partly Cloudy
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 50 °F
Partly Cloudy
Friday
High: 72 °F
Mostly Sunny
then Chance
Showers
Friday Night
Low: 49 °F
Chance
Showers

Detailed Forecast

Today

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

Tonight

Isolated showers before midnight, then scattered showers after 1am. Increasing clouds, with a low around 45. South wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A chance of showers, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Partly cloudy, with a low around 48. Calm wind.

Thursday

Sunny, with a high near 75. Calm wind becoming northwest 5 to 7 mph in the afternoon.

Thursday Night

Partly cloudy, with a low around 50.

Friday

A chance of showers after 2pm. Mostly sunny, with a high near 72. Chance of precipitation is 30%.

Friday Night

A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

Saturday

Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.