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

41°F

5°C

Humidity 73%
Wind Speed NW 14 G 22 mph
Barometer 30.16 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 11 Mar 5:55 pm CDT
Extended Forecast for

Griggsville IL

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 30 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a south wind 14 to 22 mph, with gusts as high as 34 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 55. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming northeast after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of rain and thunderstorms after 1am. Cloudy, with a low around 47.

    Low: 47 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 60. Breezy. Chance of precipitation is 80%.

    High: 60 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.

    Low: 19 °F

    Chance
    Rain/Snow and
    Blustery

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 14 to 22 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 55. West wind 11 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming northeast after midnight.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
A 30 percent chance of rain and thunderstorms after 1am. Cloudy, with a low around 47.
Sunday
Rain and possibly a thunderstorm. High near 60. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 30. Blustery.
Monday Night
Mostly clear, with a low around 14.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 38.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.7°W (Elev. 614 ft)
Last Update:
5:36 pm CDT Mar 11, 2026
Forecast Valid:
6pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation