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

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

60°F

16°C

Humidity 86%
Wind Speed NW 3 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 3:54 am CDT
Extended Forecast for

4 Miles SSW Mackinaw IL

  • Juneteenth

    Juneteenth: Sunny, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 60. West northwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers between 9am and 10am. Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Slight Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Increasing clouds, with a low around 61. Calm wind becoming east around 5 mph after midnight.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 75 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 59. East wind 14 to 17 mph becoming north northeast in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Sunny, with a high near 79. Calm wind becoming west northwest 5 to 8 mph in the morning.
Tonight
A 30 percent chance of showers, mainly between 1am and 5am. Mostly cloudy, with a low around 60. West northwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers between 9am and 10am. Partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Increasing clouds, with a low around 61. Calm wind becoming east around 5 mph after midnight.
Sunday
Showers, with thunderstorms also possible after 1pm. Some of the storms could produce heavy rainfall. High near 75. East southeast wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 59. East wind 14 to 17 mph becoming north northeast in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 75. North northeast wind 11 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mackinaw IL
 40.49°N 89.37°W (Elev. 636 ft)
Last Update:
4:01 am CDT Jun 19, 2026
Forecast Valid:
4am CDT Jun 19, 2026-6pm CDT Jun 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