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Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

A Few Clouds

16°F

-9°C

Humidity 54%
Wind Speed W 14 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 28 Jan 12:56 am EST
Extended Forecast for

Hallam PA

Cold Weather Advisory until January 28, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until January 28, 10:00am

    NOW until 10:00am Wed

    Cold Weather Advisory

  • Overnight

    Low: 5 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 16. Wind chill values as low as -10. West wind 8 to 10 mph.

    High: 16 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2. Wind chill values as low as -10. West wind 6 to 9 mph.

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 21 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0. West wind around 9 mph.

    Low: 0 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 16.

    High: 16 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 5. Wind chill values as low as -5. West wind around 14 mph, with gusts as high as 20 mph.
Wednesday
Increasing clouds, with a high near 16. Wind chill values as low as -10. West wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 2. Wind chill values as low as -10. West wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 18. Wind chill values as low as -15. West wind around 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 0. West wind around 9 mph.
Friday
Sunny, with a high near 16.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 16.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Sunday
A chance of snow showers before 1pm. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.02°N 76.6°W (Elev. 522 ft)
Last Update:
12:56 am EST Jan 28, 2026
Forecast Valid:
1am EST Jan 28, 2026-6pm EST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation