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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.

Overcast

60°F

16°C

Humidity 84%
Wind Speed W 3 mph
Barometer 30.14 in (1021.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Apr 2:53 am EDT
Extended Forecast for

7 Miles NNW Mc Knightstown PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Northwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Light and variable wind becoming northeast around 6 mph in the evening.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 63. South wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind 10 to 13 mph, with gusts as high as 26 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Northwest wind around 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 59. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 36. Light and variable wind becoming northeast around 6 mph in the evening.
Sunday
Mostly sunny, with a high near 63. South wind 6 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind 10 to 13 mph, with gusts as high as 26 mph.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly 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 60. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Mc Knightstown PA
 40°N 77.41°W (Elev. 1982 ft)
Last Update:
3:06 am EDT Apr 11, 2026
Forecast Valid:
3am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
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Additional Resources

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Chance of Precipitation