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

Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Mostly Cloudy

74°F

23°C

Humidity 52%
Wind Speed NW 8 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 1 Apr 1:56 pm EDT
Extended Forecast for

Mechanicsburg PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. Northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am. Patchy fog after 2am. Low around 53. Northeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers between 7am and 10am. Patchy fog before 11am. Otherwise, cloudy, with a high near 56. East wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48. East wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 2pm. Partly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. Northwest wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 3am. Patchy fog after 2am. Low around 53. Northeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers between 7am and 10am. Patchy fog before 11am. Otherwise, cloudy, with a high near 56. East wind 3 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 48. East wind 6 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers after 2pm. Partly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
Showers, mainly before 2pm. High near 66. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.22°N 77°W (Elev. 440 ft)
Last Update:
2:21 pm EDT Apr 1, 2026
Forecast Valid:
2pm EDT Apr 1, 2026-6pm EDT Apr 7, 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