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Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

34°F

1°C

Humidity 38%
Wind Speed W 13 mph
Barometer 30.12 in (1020.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 23 Jan 12:56 am EST
Extended Forecast for

Harrisburg International Airport PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 23. West wind 3 to 6 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 4. Wind chill values as low as -10. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 17. Wind chill values as low as -10. North wind 6 to 10 mph.

    High: 17 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming east 5 to 8 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 11 °F

    Chance Snow
    then Heavy
    Snow

  • Sunday

    Sunday: Snow before 1pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 20. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.

    High: 20 °F

    Heavy Snow
    then
    Snow/Sleet

  • Sunday Night

    Sunday Night: Snow. Low around 17. Chance of precipitation is 90%.

    Low: 17 °F

    Snow

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. West wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 32. West wind 9 to 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 4. Wind chill values as low as -10. Northwest wind 13 to 18 mph, with gusts as high as 26 mph.
Saturday
Mostly cloudy, with a high near 17. Wind chill values as low as -10. North wind 6 to 10 mph.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming east 5 to 8 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow before 1pm, then snow, possibly mixed with sleet. The snow could be heavy at times. High near 20. Chance of precipitation is 100%. New snow and sleet accumulation of 7 to 11 inches possible.
Sunday Night
Snow. Low around 17. Chance of precipitation is 90%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 24. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 3.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
1:05 am EST Jan 23, 2026
Forecast Valid:
1am EST Jan 23, 2026-6pm EST Jan 29, 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