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.

Overcast

70°F

21°C

Humidity 98%
Wind Speed NW 3 mph
Barometer 30.04 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 14 Oct 9:15 am CDT
Extended Forecast for

Griggsville IL

  • Today

    Today: A chance of showers and thunderstorms. Cloudy, with a high near 74. North wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 61. North wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 61 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and noon. High near 76. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 76 °F

    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Northwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 58. Breezy, with a northwest wind around 21 mph, with gusts as high as 37 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms. Cloudy, with a high near 74. North wind 6 to 8 mph. Chance of precipitation is 50%.
Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 61. North wind 6 to 9 mph becoming east after midnight. Chance of precipitation is 30%.
Thursday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Patchy fog between 8am and noon. High near 76. East wind 6 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Northwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 58. Breezy, with a northwest wind around 21 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
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:
5:06 am CDT Oct 14, 2026
Forecast Valid:
9am CDT Oct 14, 2026-6pm CDT Oct 20, 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