National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64°NLon: 90.78°WElev: 709ft.

Overcast

45°F

7°C

Humidity 99%
Wind Speed NW 3 mph
Barometer 30.00 in
Dewpoint 44°F (7°C)
Visibility 0.25 mi
Last update 4 Mar 8:35 pm CST
Extended Forecast for

Griggsville IL

Dense Fog Advisory until March 5, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 5, 06:00am

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 47 °F

    T-storms
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%.

    High: 63 °F

    Scattered
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 51. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Scattered showers and thunderstorms. Partly sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    High: 78 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 49. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 49 °F

    Showers

  • Saturday

    Saturday: Isolated showers before noon. Mostly cloudy, with a steady temperature around 55. Chance of precipitation is 20%.

    High: 55 °F

    Isolated
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely before 5am, then scattered showers. Patchy fog. Otherwise, cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 60%.
Thursday
Scattered showers, mainly before 8am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 51. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 78. South wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm. Low around 49. South wind 11 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Saturday
Isolated showers before noon. Mostly cloudy, with a steady temperature around 55. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 75.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Showers and possibly a thunderstorm. High near 73. Chance of precipitation is 80%.
Tuesday Night
Showers. Low around 42. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 50.
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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:
7:01 pm CST Mar 4, 2026
Forecast Valid:
8pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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