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

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

78°F

26°C

Humidity 48%
Wind Speed S 10 G 24 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Mar 4:56 pm EDT
Extended Forecast for

2 Miles SE Hummelstown PA

Tornado Watch March 11, 05:56pm until March 11, 08:00pm
Click here for hazard details and duration
Tornado Watch
  •  
    Tornado Watch March 11, 05:56pm until March 11, 08:00pm

    NOW until 8:00pm Wed

    Tornado Watch

  • This Afternoon

    High: 77 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 2am. Some of the storms could be severe. Low around 38. South wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Severe
    Thunderstorms
    then Showers

  • Thursday

    Thursday: Rain and snow showers before noon, then a slight chance of snow showers between noon and 2pm. High near 43. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow and
    Breezy then
    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 50. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

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

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 77. South wind around 9 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers after 2am. Some of the storms could be severe. Low around 38. South wind 10 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain and snow showers before noon, then a slight chance of snow showers between noon and 2pm. High near 43. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 50. Breezy, with a south wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 53.
Sunday Night
Showers, mainly after 2am. Low around 48. Chance of precipitation is 80%.
Monday
Showers. High near 57. Breezy. Chance of precipitation is 80%.
Monday Night
Showers likely. Partly cloudy, with a low around 26. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
5:51 pm EDT Mar 11, 2026
Forecast Valid:
5pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
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