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Peoria, IL Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Tonight
Clear, with a low around 51. East wind around 1 mph.
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Friday
Sunny, with a high near 75. South southeast wind 1 to 5 mph.
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Friday Night
Mostly clear, with a low around 51. Southeast wind around 5 mph.
National Weather Service forecast updated 4 hrs ago.
Hourly
Hourly forecast- Now72°
- 7 PM68°
- 8 PM63°
- 9 PM61°
- 10 PM59°
- 11 PM58°
- Fri12 AM56°
- 1 AM55°
- 2 AM55°
- 3 AM54°
- 4 AM53°
- 5 AM52°
- 6 AM52°
- 7 AM51°
- 8 AM52°
- 9 AM56°
- 10 AM62°
- 11 AM66°
- 12 PM70°
- 1 PM72°
- 2 PM74°
- 3 PM74°
- 4 PM75°
- 5 PM73°
10-day forecast
Details- TodayOct 22Sunny51°78°
- FriOct 23Sunny51°75°
- SatOct 24Mostly Sunny52°74°
- SunOct 25Mostly Sunny53°77°
- MonOct 26Partly Sunny51°74°
- TueOct 27Partly Sunny50°69°
- WedOct 28Partly Sunny15%49°70°
- ThuOct 29Cloudy0.08 in38°61°
- FriOct 30Sunny34°50°
- SatOct 31Partly cloudy36°56°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Peoria
More weather news- Central Illinois Winter Weather Outlook
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Gorgeous weather continues for Central IllinoisWEDNESDAY: Warming up with sunny skies and calm conditions. High: 75 Low: 47 THURSDAY: Above average with sunny skies. High: 76 Low: 47 FRIDAY: Nice weather continues with sunny skies. High: 76 Low: 46 SATURDAY: Some…
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- ThuModerate
- FriModerate
- SatModerate
Peoria, IL reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyPeoria Area, records since 1883. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- North Peoria 3 km
- Bloomington 55 km
- Normal 54 km
- Pekin 15 km
- East Peoria 3 km
- Washington 15 km
- Morton 14 km
- Canton 41 km
- Bartonville 7 km
- Chillicothe 27 km
- Peoria Heights 6 km
- Eureka 27 km
Forecasters' discussion
From the National Weather Service office in ILX, issued 3 hrs ago
Key Messages
- Sunny mild days and cool nights persist across central and southeast Illinois through Monday, with highs in the 70s and lows in the 40s.
- A cold front moves across the region mid next week, though rain chances look pretty slim (20% or less), with temperatures cooling a bit for late next week.
Discussion
Issued at 116 PM CDT Thu Oct 22 2026
The stretch of dry, low-impact weather will span into next week as the central U.S. remains under the influence of a blocking pattern, which is only forecast to amplify through the weekend.
The net effect will be ideal mid-autumn weather with daily highs in the 70s and overnight lows in the 40s. For those keeping score at home, these temperatures are averaging about 8 degrees warmer than what is considered normal for middle October. While not record- warmth by any means, it is nevertheless impressive.
Mid-range deterministic model guidance demonstrates strong consistency regarding the progression of the broad western trough into early next week. While successive model cycles continue to open and eject this feature northeastward through the Central Plains, the attendant cold front consistently fails to push through central Illinois. Rather, the surface low undergoes occlusion over the Canadian Prairies, causing the trailing front to stall and weaken over the Great Lakes before eventually washing out and retreating north as a warm front.
It's not until Wednesday that a strong mid-level shortwave trough pivots across the Mid-Mississippi Valley and drives a surface cold front through the Midwest and Great Lakes region, effectively breaking down our resident ridge. This could be our next best chance for scattered showers and isolated thunderstorms, though current blended (NBM) and ensemble guidance (GEFS/EPS) mute the probability at 20% or less.
Aviation
Issued at 1240 PM CDT Thu Oct 22 2026
VFR conditions will persist through the TAF cycle as a ridge of high pressure maintains clear skies and light winds.
Ilx Watches
None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.