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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

44°F

7°C

Humidity 41%
Wind Speed S 12 mph
Barometer 30.51 in (1034.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 8 Apr 11:53 pm EDT
Extended Forecast for

2 Miles SE South Mountain PA

Freeze Warning until April 9, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 9, 09:00am

    NOW until 9:00am Thu

    Freeze Warning

  • Overnight

    Low: 29 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 8am. Otherwise, mostly sunny, with a high near 56. South wind 6 to 8 mph.

    High: 56 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 69. South wind around 7 mph, with gusts as high as 20 mph.

    High: 69 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 47. South wind around 7 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost after 4am. Otherwise, mostly clear, with a low around 29. South wind around 7 mph.
Thursday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 56. South wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 36. South wind around 6 mph.
Friday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 69. South wind around 7 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 47. South wind around 7 mph becoming west after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly cloudy, with a high near 77.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE South Mountain PA
 39.83°N 77.47°W (Elev. 1503 ft)
Last Update:
12:36 am EDT Apr 9, 2026
Forecast Valid:
12am EDT Apr 9, 2026-6pm EDT Apr 15, 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