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

40°F

4°C

Humidity 60%
Wind Speed SE 7 mph
Barometer 30.50 in (1034.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Apr 2:53 am EDT
Extended Forecast for

Chambersburg 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: 32 °F

    Areas Frost

  • Thursday

    Thursday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Light south wind.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 32. Light south wind.
Thursday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 38. Light south wind.
Friday
Sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 49. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Mostly cloudy, with a high near 79.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
2:41 am EDT Apr 9, 2026
Forecast Valid:
3am 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