Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

63°F

17°C

Humidity 30%
Wind Speed N 5 mph
Barometer 30.31 in (1027.1 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 11 Apr 7:53 pm EDT
Extended Forecast for

7 Miles NNW Mc Knightstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 35. North wind around 6 mph becoming east after midnight.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 11 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm.  Mostly cloudy, with a high near 75. Southwest wind around 11 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 8pm.  Partly cloudy, with a low around 55. West wind 8 to 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 35. North wind around 6 mph becoming east after midnight.
Sunday
Mostly sunny, with a high near 62. South wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 11 mph, with gusts as high as 24 mph.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 75. Southwest wind around 11 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers, mainly before 8pm. Partly cloudy, with a low around 55. West wind 8 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Partly sunny, with a high near 82.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Mc Knightstown PA
 40°N 77.41°W (Elev. 1982 ft)
8:05 pm EDT Apr 11, 2026
8pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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