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

60°F

16°C

Humidity 97%
Wind Speed SE 14 mph
Barometer 30.05 in
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 2 Nov 9:55 am CST
Extended Forecast for

Griggsville IL

  • Today

    Today: Mostly cloudy, with a high near 68. South wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 71. Breezy, with a south wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

    High: 71 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. South wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 68. South wind 13 to 16 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. Breezy, with a south wind 15 to 20 mph, with gusts as high as 32 mph.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 9am. High near 71. Breezy, with a south wind 17 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and thunderstorms likely before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. South wind 8 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 64. West wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 60.
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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:
10:06 am CST Nov 2, 2026
Forecast Valid:
10am CST Nov 2, 2026-6pm CST Nov 8, 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