National Weather Service Forecast for: Peoria, IL
Issued by: National Weather Service Central Illinois
Updated: 08/16/2026 1:26pm

Peoria
 
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Sunny
Sunny
Saturday

Saturday: Slight Chance Rain Showers then Sunny
Slight Chance Rain Showers then Sunny
 
Hi 87 °F Hi 80 °F Hi 82 °F Hi 78 °F Hi 78 °F Hi 79 °F Hi 79 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms then Mostly Cloudy
Chance Showers And T-Storms then Mostly Cloudy
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Wednesday
Night
Wednesday Night: Slight Chance Showers And Thunderstorms then Mostly Cloudy
Slight Chance Showers And T-Storms then Mostly Cloudy
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Mostly Clear then Slight Chance Rain Showers
Mostly Clear then Slight Chance Rain Showers
Saturday
Night
Saturday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
 
Lo 67 °F Lo 64 °F Lo 68 °F Lo 63 °F Lo 61 °F Lo 64 °F Lo 64 °F  

 

This Afternoon
 
A chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. West northwest wind around 8 mph. Chance of precipitation is 30%.
Tonight
 
A chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 67. North northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Monday
 
Sunny, with a high near 80. North northwest wind around 6 mph.
Monday Night
 
Mostly clear, with a low around 64. West wind 0 to 3 mph.
Tuesday
 
Mostly sunny, with a high near 82. Southwest wind 1 to 7 mph.
Tuesday Night
 
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 68. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 63.
Thursday
 
Mostly sunny, with a high near 78.
Thursday Night
 
Partly cloudy, with a low around 61.
Friday
 
Sunny, with a high near 79.
Friday Night
 
A slight chance of rain showers after 1am. Mostly clear, with a low around 64.
Saturday
 
A slight chance of rain showers before 7am. Sunny, with a high near 79.
Saturday Night
 
A slight chance of rain showers between 7pm and 1am. Mostly clear, with a low around 64.

 

Forecast from NOAA-NWS for Peoria, IL.