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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

65°F

18°C

Humidity 39%
Wind Speed Vrbl 6 mph
Barometer 29.88 in (1012.6 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Last update 21 Mar 4:53 pm EDT
Extended Forecast for

2 Miles N South Mountain PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Calm wind becoming south around 6 mph after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Some of the storms could be severe. Low around 42. North wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Severe
    Thunderstorms
    then Showers

  • Monday

    Monday: Showers before 8am. High near 51. Northwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. Calm wind becoming south around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Sunday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Some of the storms could be severe. Low around 42. North wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers before 8am. High near 51. Northwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 28. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 59. Chance of precipitation is 30%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Mountain PA
 39.87°N 77.49°W (Elev. 1401 ft)
Last Update:
2:21 pm EDT Mar 21, 2026
Forecast Valid:
5pm EDT Mar 21, 2026-6pm EDT Mar 28, 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