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

44°F

7°C

Humidity 55%
Wind Speed N 5 mph
Barometer 30.04 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 28 Feb 2:15 am CST
Extended Forecast for

Griggsville IL

  • Overnight

    Overnight: Partly cloudy, with a low around 35. North wind around 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain between noon and 2pm. Partly sunny, with a high near 57. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 57 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 40. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 27. East wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: A slight chance of snow before 9am, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain, mainly after midnight. Low around 34. Chance of precipitation is 90%.

    Low: 34 °F

    Chance Rain
    then Rain

  • Tuesday

    Tuesday: Rain, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. North wind around 8 mph.
Saturday
A slight chance of rain between noon and 2pm. Partly sunny, with a high near 57. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 24. North wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 40. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Snow likely. Cloudy, with a low around 27. East wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday
A slight chance of snow before 9am, then a slight chance of rain. Cloudy, with a high near 41. Chance of precipitation is 20%.
Monday Night
Rain, mainly after midnight. Low around 34. Chance of precipitation is 90%.
Tuesday
Rain, with thunderstorms also possible after noon. High near 52. Chance of precipitation is 90%.
Tuesday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 41. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 65.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 50.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
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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:
1:36 am CST Feb 28, 2026
Forecast Valid:
2am CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation