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

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Light Snow

31°F

-1°C

Humidity 96%
Wind Speed W 5 mph
Barometer 29.77 in (1008.3 mb)
Dewpoint 30°F (-1°C)
Visibility 1.25 mi
Wind Chill26°F (-3°C)
Last update 23 Feb 12:56 am EST
Extended Forecast for

Hallam PA

Winter Storm Warning February 23, 01:48am until February 23, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 23, 01:48am until February 23, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Overnight

    Low: 29 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Monday

    Monday: A chance of snow, mainly before 11am. Patchy blowing snow before 1pm. Cloudy, with a high near 38. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy during the early evening, then gradual clearing, with a low around 20. Northwest wind around 15 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely after 1am. Mostly cloudy, with a low around 24. Light southwest wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow before 1pm, then rain and snow likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Snow likely, mainly before 4am. Patchy blowing snow after 2am. Cloudy, with a low around 29. Northwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
A chance of snow, mainly before 11am. Patchy blowing snow before 1pm. Cloudy, with a high near 38. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Monday Night
Cloudy during the early evening, then gradual clearing, with a low around 20. Northwest wind around 15 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Snow likely after 1am. Mostly cloudy, with a low around 24. Light southwest wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Partly sunny, with a high near 46. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
A chance of snow before 1pm, then rain and snow likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Thursday Night
Rain and snow showers likely before 1am, then a chance of rain showers. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40°N 76.57°W (Elev. 486 ft)
Last Update:
1:36 am EST Feb 23, 2026
Forecast Valid:
1am EST Feb 23, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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