Peoria has a humid continental climate (Köppen Dfa), with cold, snowy winters, and hot, humid summers. Monthly daily mean temperatures range from 22.5 °F (−5.3 °C) to 75.2 °F (24.0 °C). Snowfall is common in the winter, averaging 26.3 inches (67 cm), but this figure varies considerably for different years. Precipitation, averaging at 36 inches (914 mm), peaks in the spring and summer, and is the least in winter. Extremes have ranged from −27 °F (−33 °C) in January 1884 to 113 °F (45 °C) in July 1936
The Flood Warning continues for the following River in Illinois: Illinois River at Havana affecting Cass, Fulton and Mason counties Illinois River at Beardstown affecting Brown, Cass, Morgan and Schuyler Counties The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation.
The Flood Warning continues for the Illinois River near Peoria.
- Until Further Notice.
- At 10:45 am Thursday the stage was 19.5 feet.
- Flood stage is 18.0 feet.
- Minor flooding is occurring and minor flooding is forecast.
- Forecast: The river will continue rising to near 20.0 feet by Sunday evening then begin falling.
- Impact: At 18.0 feet, some flooding begins to bottomland not protected by levees.
PEORIA IL — 7-day Weather Forecast
Thursday, June 13…Abundant sunshine. High 78F. Winds N at 10 to 20 mph.
Evening: Partly cloudy skies. Low 56F. Winds NNE at 5 to 10 mph.
Friday, June 14…Sunshine and clouds mixed. High 79F. Winds ENE at 5 to 10 mph.
Evening: Mostly cloudy skies in the evening. Isolated thunderstorms may develop after midnight. Low 61F. Winds SE at 5 to 10 mph. Chance of rain 30%.
Saturday, June 15… Scattered thunderstorms possible. Highs in the low 80s and lows in the low 70s.
Sunday, June 16… A few thunderstorms possible. Highs in the low 80s and lows in the upper 60s.
Monday, June17… Partly cloudy with a stray thunderstorm. Highs in the low 80s and lows in the low 60s.
Tuesday, June 18… Times of sun and clouds. Highs in the low 80s and lows in the low 60s.
Wednesday, June 19… Mix of sun and clouds. Highs in the low 80s and lows in the low 60s.