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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Pittsfield, Pittsfield Penstone Municipal Airport (KPPQ)

Lat: 39.64°NLon: 90.78°WElev: 709ft.

Fair

74°F

23°C

Humidity 95%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 19 Sep 2:55 am CDT
Extended Forecast for

Pleasant Hill IL

  • Overnight

    Overnight: Partly cloudy, with a low around 72. Southeast wind 3 to 5 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 95. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the morning.

    High: 95 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers likely before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 86. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Northeast wind 3 to 7 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 72. Southeast wind 3 to 5 mph.
Saturday
Mostly cloudy, with a high near 95. Heat index values as high as 100. Calm wind becoming southwest around 6 mph in the morning.
Saturday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Calm wind.
Sunday
Showers likely before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 86. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Northeast wind 3 to 7 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 57.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pleasant Hill IL
 39.43°N 90.88°W (Elev. 443 ft)
Last Update:
1:26 am CDT Sep 19, 2026
Forecast Valid:
3am CDT Sep 19, 2026-6pm CDT Sep 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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