Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >
Central Illinois
Weather Forecast Office
1991-2020 New Monthly Climate Normals - Peoria & Springfield
Below are the new monthly climate normals for Peoria and Springfield. Both locations had temperatures increase each month since the last normals were released a decade ago, with December being the most noticeable. Precipitation and snowfall are each about 1-1.5" higher than before for the year. More information about the new climate normals and how they are determined can be found here.
![]() |
![]() |
Peoria New vs. Previous Climate Normals | Springfield New vs. Previous Climate Normals |
![]() |
Media use of NWS Web News Stories is encouraged! Please acknowledge the NWS as the source of any news information accessed from this site. |
![]() |
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Central Illinois
1362 State Route 10
Lincoln, IL 62656
217-732-7321 (forecast recording) or 217-732-3089
Comments? Questions? Please Contact Us.