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.

Fair

85°F

29°C

Humidity 32%
Wind Speed SE 10 mph
Barometer 30.03 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 10 Oct 1:55 pm CDT
Extended Forecast for

Griggsville IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 84. Southeast wind around 9 mph.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 67. South wind around 6 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Sunny, with a high near 92. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 1am. Mostly clear, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 84. Southeast wind around 9 mph.
Tonight
Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 67. South wind around 6 mph.
Columbus Day
Sunny, with a high near 92. Southwest wind 7 to 14 mph, with gusts as high as 22 mph.
Monday Night
Clear, with a low around 73.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly clear, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 68.
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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:
1:26 pm CDT Oct 10, 2026
Forecast Valid:
2pm CDT Oct 10, 2026-6pm CDT Oct 16, 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