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

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64°NLon: 90.78°WElev: 709ft.

Fog/Mist

67°F

19°C

Humidity 99%
Wind Speed SE 6 mph
Barometer 29.97 in
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 15 Oct 11:35 am CDT
Extended Forecast for

Griggsville IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 2pm. Patchy fog before noon. Otherwise, cloudy, with a high near 75. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers between noon and 4pm. Increasing clouds, with a high near 55. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 55 °F

    Breezy.
    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Cloudy during the early evening, then gradual clearing, with a low around 35. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.

    Low: 35 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 2pm. Patchy fog before noon. Otherwise, cloudy, with a high near 75. Southeast wind 7 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 70%.
Tonight
Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Friday
A chance of showers between noon and 4pm. Increasing clouds, with a high near 55. Breezy, with a northwest wind 16 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
Cloudy during the early evening, then gradual clearing, with a low around 35. North wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 59. Calm wind.
Saturday Night
Clear, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.73°W (Elev. 653 ft)
Last Update:
11:21 am CDT Oct 15, 2026
Forecast Valid:
11am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation