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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64°NLon: 90.78°WElev: 709ft.

Overcast

67°F

19°C

Humidity 98%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 May 7:15 am CDT
Extended Forecast for

Chambersburg IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 62. Southeast wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 89. South wind 9 to 17 mph, with gusts as high as 26 mph.

    High: 89 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 10am. Partly sunny, with a high near 88. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.

    High: 88 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 82. South wind 5 to 10 mph.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 62. Southeast wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 89. South wind 9 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 68. South wind around 14 mph, with gusts as high as 25 mph.
Monday
Showers likely, with thunderstorms also possible after 10am. Partly sunny, with a high near 88. South wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chambersburg IL
 39.83°N 90.67°W (Elev. 463 ft)
Last Update:
6:01 am CDT May 16, 2026
Forecast Valid:
7am CDT May 16, 2026-6pm CDT May 22, 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