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.

Partly Cloudy

81°F

27°C

Humidity 44%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Jun 3:55 pm CDT
Extended Forecast for

Griggsville IL

Flood Watch June 21, 01:00am until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Scattered showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 62 °F

    Mostly Cloudy
    then
    Scattered
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 77. East wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.

    High: 77 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before midnight, then isolated showers between midnight and 1am. Cloudy, with a low around 61. North wind 8 to 10 mph becoming southwest in the evening. Chance of precipitation is 60%.

    Low: 61 °F

    T-storms
    Likely then
    Isolated
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Northeast wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 77. East wind 8 to 13 mph becoming south in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%.
Sunday Night
Showers and thunderstorms likely before midnight, then isolated showers between midnight and 1am. Cloudy, with a low around 61. North wind 8 to 10 mph becoming southwest in the evening. Chance of precipitation is 60%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 58. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Griggsville IL
 39.72°N 90.7°W (Elev. 614 ft)
Last Update:
2:51 pm CDT Jun 20, 2026
Forecast Valid:
4pm CDT Jun 20, 2026-6pm CDT Jun 27, 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