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

Severe Thunderstorms In The Upper Midwest; A Sweltering Heat Wave For The West

Severe thunderstorms may bring flash flooding and a risk for a few tornadoes across parts of Iowa, southern/eastern Minnesota and western Wisconsin today. A sweltering heat wave with record breaking temperatures is expected the rest of the week in much of the West. Numerous excessive heat warnings and advisories are already in effect across Arizona, California and Nevada. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

A Few Clouds

28°C

83°F

Humidity 46%
Wind Speed S 15 km/h
Barometer 1021.2 mb (30.14 in)
Dewpoint 16°C (60°F)
Visibility 16 km
Heat Index28°C (83°F)
Last update 26 May 4:53 pm EDT
Extended Forecast for

Chambersburg PA

  • Tonight

    Tonight: Increasing clouds, with a low around 16. Southeast wind 6 to 11 km/h becoming light after midnight.

    Increasing
    Clouds

    Low: 16 °C

  • Wednesday

    Wednesday: Isolated showers. Mostly cloudy, with a high near 25. Southeast wind 5 to 11 km/h. Chance of precipitation is 20%.

    Isolated
    Showers

    High: 25 °C

  • Wednesday
    Night

    Wednesday Night: Showers, mainly after 2am. Low around 18. Southeast wind 5 to 10 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.

    Showers

    Low: 18 °C

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 28. South wind 8 to 13 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    Showers

    High: 28 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. South wind around 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms then
    Chance
    Showers

    Low: 20 °C

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 29. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    Showers
    Likely

    High: 29 °C

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 19 °C

  • Saturday

    Saturday: A chance of showers before 2pm. Partly sunny, with a high near 26. Chance of precipitation is 40%.

    Chance
    Showers

    High: 26 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 12.

    Partly Cloudy

    Low: 12 °C

Detailed Forecast

Tonight
Increasing clouds, with a low around 16. Southeast wind 6 to 11 km/h becoming light after midnight.
Wednesday
Isolated showers. Mostly cloudy, with a high near 25. Southeast wind 5 to 11 km/h. Chance of precipitation is 20%.
Wednesday Night
Showers, mainly after 2am. Low around 18. Southeast wind 5 to 10 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 28. South wind 8 to 13 km/h. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. South wind around 8 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Friday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 29. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Saturday
A chance of showers before 2pm. Partly sunny, with a high near 26. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 9.
Monday
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Chambersburg PA
 39.93°N 77.66°W (Elev. 188 m)
Last Update:
2:57 pm EDT May 26, 2020
Forecast Valid:
5pm EDT May 26, 2020-6pm EDT Jun 2, 2020
 
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