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

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

70°F

21°C

Humidity 93%
Wind Speed Calm
Barometer 29.93 in (1012.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 9:54 pm CDT
Extended Forecast for

Peoria IL

Flood Watch August 19, 10:03pm until August 20, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 19, 10:03pm until August 20, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • Tonight

    Low: 65 °F

    Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 80. Northeast wind 3 to 5 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 8 mph, with gusts as high as 15 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms before 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 65. Northeast wind around 6 mph.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 80. Northeast wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 62. Calm wind.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly clear, with a low around 65. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peoria IL
 40.76°N 89.61°W (Elev. 748 ft)
Last Update:
9:37 pm CDT Aug 19, 2026
Forecast Valid:
10pm CDT Aug 19, 2026-6pm CDT Aug 26, 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