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

Critical Fire Weather for a Large Part of the Central U.S.; Areas of Severe Thunderstorms

Gusty to high winds and low relative humidity will bring elevated to critical fire weather across large parts of the Great Plains and more localized parts of the Great Basin and central Rockies Thursday into Friday. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains Thursday into this weekend. Read More >

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Partly Cloudy

53°F

12°C

Humidity 96%
Wind Speed Calm
Barometer 29.79 in (1008.7 mb)
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 14 May 1:56 am EDT
Extended Forecast for

2 Miles SE Hummelstown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Northwest wind around 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 59. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 59 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. Light west wind.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Northwest wind around 7 mph.
Thursday
Partly sunny, with a high near 59. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 70. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 49. Light west wind.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 90. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hummelstown PA
 40.23°N 76.67°W (Elev. 594 ft)
Last Update:
2:21 am EDT May 14, 2026
Forecast Valid:
2am EDT May 14, 2026-6pm EDT May 20, 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