National Weather Service Forecast for: Peoria, IL
Issued by: National Weather Service Central Illinois
Updated: 04/22/2026 1:51am

Peoria
 
  Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

Thursday: Mostly Sunny
Mostly Sunny
Friday

Friday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Partly Sunny
Partly Sunny
Monday

Monday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Tuesday

Tuesday: Slight Chance Rain Showers then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
  Hi 80 °F Hi 81 °F Hi 75 °F Hi 72 °F Hi 74 °F Hi 74 °F Hi 66 °F
 
Overnight

Overnight: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Chance Showers And Thunderstorms then Mostly Clear
Chance Showers And T-Storms then Mostly Clear
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Monday
Night
Monday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
 
Lo 60 °F Lo 60 °F Lo 63 °F Lo 51 °F Lo 48 °F Lo 57 °F Lo 49 °F  

Flood Warning issued April 21 at 11:19AM CDT until April 24 at 1:00AM CDT
 

Overnight
 
Mostly clear, with a low around 60. West southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
 
Mostly sunny, with a high near 80. West southwest wind around 10 mph, with gusts as high as 23 mph.
Wednesday Night
 
Mostly clear, with a low around 60. Southwest wind around 7 mph.
Thursday
 
Mostly sunny, with a high near 81. South wind 7 to 16 mph, with gusts as high as 28 mph.
Thursday Night
 
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. South wind 12 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday
 
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. West southwest wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 51. Northwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Saturday
 
Sunny, with a high near 72.
Saturday Night
 
Partly cloudy, with a low around 48.
Sunday
 
Partly sunny, with a high near 74.
Sunday Night
 
A chance of rain showers between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57.
Monday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 74.
Monday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 49.
Tuesday
 
A slight chance of rain showers before 7am. Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Peoria, IL.