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

Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

27°F

-3°C

Humidity 53%
Wind Speed NE 8 mph
Barometer 30.54 in (1034.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Mar 2:56 am EST
Extended Forecast for

Lower Allen PA

Winter Weather Advisory March 3, 04:00am until March 3, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 36 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of snow, freezing rain, and sleet between 3am and 4am, then a chance of snow and freezing rain. Increasing clouds, with a low around 28. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Rain, snow, and freezing rain before 10am, then rain and snow between 10am and 1pm, then rain likely after 1pm. High near 39. Southeast wind around 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Wintry Mix

  • Tuesday Night

    Tuesday Night: Rain. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Cloudy, with a high near 52. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. Calm wind.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 36. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A slight chance of snow, freezing rain, and sleet between 3am and 4am, then a chance of snow and freezing rain. Increasing clouds, with a low around 28. Light southeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, snow, and freezing rain before 10am, then rain and snow between 10am and 1pm, then rain likely after 1pm. High near 39. Southeast wind around 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain, mainly after 1pm. Cloudy, with a high near 52. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely. Cloudy, with a low around 45. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 62. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lower Allen PA
 40.23°N 76.91°W (Elev. 400 ft)
Last Update:
2:07 am EST Mar 2, 2026
Forecast Valid:
3am EST Mar 2, 2026-6pm EDT Mar 8, 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