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

67°F

19°C

Humidity 20%
Wind Speed W 7 mph
Barometer 29.84 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 27 Feb 6:15 pm CST
Extended Forecast for

Griggsville IL

  • Tonight

    Tonight: Mostly clear, with a low around 32. West wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northeast wind 6 to 10 mph becoming southwest in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. North wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, with a high near 41. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain, becoming all snow after 3am. Cloudy, with a low around 28. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after noon. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 32. West wind 6 to 9 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 61. Northeast wind 6 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 25. North wind 8 to 13 mph, with gusts as high as 22 mph.
Sunday
A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, with a high near 41. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Snow likely, possibly mixed with rain, becoming all snow after 3am. Cloudy, with a low around 28. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 35. Chance of precipitation is 70%.
Tuesday
Rain, with thunderstorms also possible after noon. High near 51. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 40. Chance of precipitation is 70%.
Wednesday
Rain likely. Cloudy, with a high near 59. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 61. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 47.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 66. Chance of precipitation is 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:
5:06 pm CST Feb 27, 2026
Forecast Valid:
6pm CST Feb 27, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation