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

Fire Weather Concerns for a Large Part of the Central U.S.; Severe Weather in the Central Plains

Dry and windy conditions will bring widespread fire weather concerns to the northern/central Plains and portions of the Southwest into the southern Plains. Severe thunderstorms with large hail and damaging wind gusts are possible over the central Plains today into this weekend. Rain and high elevation snow is expected over parts of the Cascades and Northern Intermountain Region through Saturday. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Mostly Cloudy

57°F

14°C

Humidity 58%
Wind Speed NW 17 G 24 mph
Barometer 29.86 in (1012.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 14 May 11:53 am EDT
Extended Forecast for

South Mountain PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. Northwest wind around 11 mph, with gusts as high as 24 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Northwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67. Northwest wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Light west wind.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Southwest wind 3 to 7 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Sunday Night

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

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. Northwest wind around 11 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 43. Northwest wind around 11 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 67. Northwest wind 8 to 14 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 47. Light west wind.
Saturday
Mostly sunny, with a high near 76. Southwest wind 3 to 7 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Mountain PA
 39.85°N 77.5°W (Elev. 1627 ft)
Last Update:
8:05 am EDT May 14, 2026
Forecast Valid:
12pm 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