A Large Storm Expected To Impact the Midwest into the East.

A large storm system will slide from the Central U.S. into the East over the next couple of days. A zone of heavy snow is expected from the Mid Mississippi Valley into the Great Lakes, especially impacting parts of Iowa, Illinois, Wisconsin and Michigan. While, locally heavy rain with a marginal risk for excessive rainfall will be possible across the South into the southern Appalachians. Read More >

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

29°F

-2°C

Humidity 54%
Wind Speed SE 7 mph
Barometer 30.31 in (1026.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Jan 5:56 am EST
Extended Forecast for

Hummelstown PA

Winter Weather Advisory January 23, 07:00am until January 23, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Rain likely, mainly after 5pm.  Cloudy, with a high near 43. South wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Rain then
    Rain Likely

    High: 43 °F

  • Tonight

    Tonight: Rain.  Low around 39. South wind 3 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain

    Low: 39 °F

  • Thursday

    Thursday: Rain before 1pm, then a chance of rain and snow showers.  High near 43. Light west wind becoming northwest 6 to 11 mph in the morning.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Rain then
    Rain/Snow

    High: 43 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 25. West wind 3 to 8 mph.

    Mostly Cloudy

    Low: 25 °F

  • Friday

    Friday: A slight chance of snow showers.  Mostly sunny, with a high near 29. West wind 6 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Snow Showers

    High: 29 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 12.

    Partly Cloudy

    Low: 12 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 25.

    Mostly Sunny

    High: 25 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Mostly Cloudy

    Low: 18 °F

  • Sunday

    Sunday: A chance of snow showers.  Mostly cloudy, with a high near 33. Chance of precipitation is 30%.

    Chance Snow
    Showers

    High: 33 °F

Detailed Forecast

Today
Rain likely, mainly after 5pm. Cloudy, with a high near 43. South wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 39. South wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain before 1pm, then a chance of rain and snow showers. High near 43. Light west wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, with a low around 25. West wind 3 to 8 mph.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 29. West wind 6 to 10 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 35.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 36. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Hummelstown PA
 40.26°N 76.73°W (Elev. 335 ft)
4:19 am EST Jan 23, 2019
6am EST Jan 23, 2019-6pm EST Jan 29, 2019
 
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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