Hazardous Weather Conditions
Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Overcast
76°F
24°C
| Humidity | 54% |
| Wind Speed | S 5 mph |
| Barometer | 29.70 in (1005.6 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 11 Mar 3:56 pm EDT |
Extended Forecast for
3 Miles SE Hummelstown PA
Tornado Watch March 11, 04:56pm until March 11, 08:00pm
NOW until 8:00pm Wed

Tornado Watch
This Afternoon

High: 75 °F
Severe
ThunderstormsTonight
Low: 38 °F
Severe
Thunderstorms
then ShowersThursday
High: 43 °F⇓
Rain/Snow and
Breezy then
Slight Chance
Snow ShowersThursday Night

Low: 29 °F
Mostly Clear
Friday
High: 49 °F
Partly Sunny
then Partly
Sunny and
BreezyFriday Night

Low: 36 °F
Partly Cloudy
Saturday

High: 49 °F
Sunny
Saturday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 75. Southwest wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter 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 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain and snow showers before 11am, then a slight chance of snow showers between 11am and 2pm. Temperature falling to around 39 by 9am. 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 6 to 11 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 49. 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 52.
Sunday Night
Showers, mainly after 2am. Low around 46. Breezy. Chance of precipitation is 80%.
Monday
Showers. High near 61. Breezy. Chance of precipitation is 80%.
Monday Night
Showers likely. Partly cloudy, with a low around 26. Breezy. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 38.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Hummelstown PA
40.23°N 76.67°W (Elev. 594 ft)
40.23°N 76.67°W (Elev. 594 ft)
4:26 pm EDT Mar 11, 2026
4pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026



