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.

Fair

65°F

18°C

Humidity 90%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Jun 11:55 pm CDT
Extended Forecast for

Patterson IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Calm wind becoming east around 6 mph.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 76. East wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 76 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 58. West wind 8 to 10 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 58 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening.

    Low: 57 °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 59.

    Low: 59 °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 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Calm wind becoming east around 6 mph.
Sunday
Showers and thunderstorms. Some of the storms could produce heavy rainfall. High near 76. East wind 9 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 58. West wind 8 to 10 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 74. North wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
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:
Patterson IL
 39.49°N 90.48°W (Elev. 659 ft)
Last Update:
11:51 pm CDT Jun 20, 2026
Forecast Valid:
12am CDT Jun 21, 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