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Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Mostly Cloudy

72°F

22°C

Humidity 61%
Wind Speed S 8 mph
Barometer 30.30 in (1026.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 20 Sep 10:53 am EDT
Extended Forecast for

Chambersburg PA

  • Today

    Today: Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph.

    Mostly Cloudy

    High: 77 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph.

    Mostly Cloudy

    Low: 58 °F

  • Tuesday

    Tuesday: Patchy drizzle before 2pm, then a slight chance of showers after 2pm. Cloudy, with a high near 72. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.

    Patchy
    Drizzle

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers, mainly after 2am. Cloudy, with a low around 63. Southeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Slight Chance
    Showers then
    Chance
    Showers

    Low: 63 °F

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely then
    Showers

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Showers

    Low: 60 °F

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.

    Chance
    Showers

    High: 73 °F

  • Thursday
    Night

    Thursday Night: A chance of showers before 2am. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 49 °F

  • Friday

    Friday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

Detailed Forecast

Today
Mostly cloudy, with a high near 77. Southeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 5 to 7 mph.
Tuesday
Patchy drizzle before 2pm, then a slight chance of showers after 2pm. Cloudy, with a high near 72. Southeast wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly after 2am. Cloudy, with a low around 63. Southeast wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 77. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 72.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 617 ft)
Last Update:
10:23 am EDT Sep 20, 2021
Forecast Valid:
11am EDT Sep 20, 2021-6pm EDT Sep 26, 2021
 
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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