Peoria, IL Weather Forecast
Right now it is 66°F and light rain and fog/mist in Peoria (as of Tue, 1:35 PM CST). This Afternoon: high near 70°F. Tomorrow: slight chance light rain then mostly cloudy, high near 59°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Peoria - General Downing-Peoria International Airport (5 mi from the city center).
Weather tomorrow in Peoria
Slight Chance Light Rain then Mostly Cloudy
22% chance of rain/snow59°FA slight chance of rain before 8am, then a chance of rain showers between 8am and 9am. Mostly cloudy, with a high near 59. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly Cloudy48°FMostly cloudy, with a low around 48. Southwest wind around 10 mph, with gusts as high as 20 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Peoria right now.
7-day forecast
Light Rain 88% chance of rain/snow70°F / 55°FRain and a slight chance of thunderstorms. Mostly cloudy, with a high near 70. South wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible. Tonight: Rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 55. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Slight Chance Light Rain then Mostly Cloudy 22% chance of rain/snow59°F / 48°FA slight chance of rain before 8am, then a chance of rain showers between 8am and 9am. Mostly cloudy, with a high near 59. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Wednesday Night: Mostly cloudy, with a low around 48. Southwest wind around 10 mph, with gusts as high as 20 mph.
Partly Sunny 31% chance of rain/snow59°F / 45°FPartly sunny, with a high near 59. West southwest wind 7 to 12 mph, with gusts as high as 20 mph. Thursday Night: A chance of rain. Mostly cloudy, with a low around 45. Northwest wind 2 to 6 mph. Chance of precipitation is 30%.
Slight Chance Light Rain 17% chance of rain/snow54°F / 38°FA slight chance of rain. Partly sunny, with a high near 54. North wind 6 to 9 mph, with gusts as high as 16 mph. Friday Night: Partly cloudy, with a low around 38.
Mostly Sunny53°F / 37°FMostly sunny, with a high near 53. Saturday Night: Partly cloudy, with a low around 37.
Sunny 13% chance of rain/snow59°F / 38°FSunny, with a high near 59. Sunday Night: Mostly clear, with a low around 38.
Sunny64°F / 43°FSunny, with a high near 64. Monday Night: Mostly clear, with a low around 43.
Forecast issued by NWS forecast office ILX · updated Nov 3, 12:26 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Peoria population: 110,920 (U.S. Census Bureau, July 1, 2025 estimate). More Illinois cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Peoria?
Wednesday, November 4: Slight Chance Light Rain then Mostly Cloudy, high near 59°F; night: mostly cloudy, low around 48°F.
Where does the Peoria forecast come from?
From the National Weather Service forecast office ILX, which writes the official forecast for Peoria's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Peoria weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Peoria (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.