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Peoria, IL 61654 Weather
Current conditions
Observed at Marshall County Airport · 1 hr ago
Forecast
10-day-
Friday
Sunny, with a high near 75. South southeast wind 2 to 6 mph.
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Friday Night
Mostly clear, with a low around 49. Southeast wind around 5 mph.
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Saturday
Mostly sunny, with a high near 74. South southeast wind 3 to 8 mph.
National Weather Service forecast updated 15 hrs ago.
Hourly
Hourly forecast- Now73°
- 6 PM69°
- 7 PM64°
- 8 PM61°
- 9 PM59°
- 10 PM58°
- 11 PM56°
- Sat12 AM55°
- 1 AM55°
- 2 AM54°
- 3 AM53°
- 4 AM51°
- 5 AM51°
- 6 AM50°
- 7 AM49°
- 8 AM51°
- 9 AM55°
- 10 AM61°
- 11 AM65°
- 12 PM69°
- 1 PM72°
- 2 PM73°
- 3 PM73°
- 4 PM74°
10-day forecast
Details- TonightOct 22Clear48°
- TodayOct 23Sunny49°75°
- SatOct 24Mostly Sunny50°74°
- SunOct 25Mostly Sunny50°76°
- MonOct 26Partly Sunny50°74°
- TueOct 27Partly Sunny50°71°
- WedOct 28Mostly Sunny12%50°73°
- ThuOct 29Slight Chance Rain Showers19%71°
- FriOct 30Partly cloudy41°53°
- SatOct 31Cloudy0.16 in39°60°
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
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Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- FriModerate
- SatModerate
- SunModerate
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 12 km
- Pekin 21 km
- Galesburg 59 km
- East Peoria 15 km
- Washington 27 km
- Morton 26 km
- Canton 34 km
- Kewanee 58 km
- Bartonville 12 km
- Chillicothe 28 km
- Peoria Heights 12 km
- Eureka 38 km
Forecasters' discussion
From the National Weather Service office in ILX, issued 4 hrs ago
Key Messages
- Temperatures will average 10 to 15 degrees above seasonal normals through most of next week, with only modest cooling toward late week.
- Tranquil weather will continue for several more days, with the only meaningful chance of rain toward the middle of next week.
Discussion
Issued at 112 PM CDT Fri Oct 23 2026
Omega block pattern remains in place over the CONUS late this week, with an upper level high pressure ridge across the central U.S. bookended by lows over southwest Montana and off the Canadian Maritimes. Some flattening/leaning of the ridge will take place this weekend as low pressure moves across the Canadian prairies, but the only real consequence for our area will be some higher level clouds at times. Temperatures will continue a large diurnal spread, from mid-upper 40s at night to mid- upper 70s during the day. Most high temperature records across the region should be just out of reach, but a few may be approached over west central Illinois.
As we get into the work week, the ridge will very gradually slide off to the east, with little change in temperatures. It will take until mid week before we finally see some change in the pattern. Tuesday morning, synoptic models are in good agreement with a broad trough over the Pacific Northwest, pushing toward the northern Plains on Wednesday. At that point, the guidance begins to differ. The GFS solution becomes slower/weaker as a low develops over southwest British Columbia, which would result in lighter rain chances toward Thursday and a rebuilding of the ridge late in the week. The European solution deepens a trough over central parts of Canada/U.S. and a quick shot of showers Wednesday night, slowly moving the trough through the Great Lakes late week.
Temperatures become more uncertain late in the week, with NBM box-and-whiskers plots showing temperature spreads of 15 to 20 degrees in the 25-75th percentiles (both highs and lows). While the European ensembles do trend toward below normal temperatures late next week, a non-trivial number retain above normal tendencies into the Halloween weekend. GFS ensembles are more solidly in the warmer trend, as would be expected with ridging overhead.
Aviation
Issued at 1200 PM CDT Fri Oct 23 2026
VFR conditions to continue through Saturday, with only scattered high-level clouds at times. South/southeast winds will average 5-7 knots through the period.
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.