Today
Expect partly cloudy. Daytime high +90°, overnight low +73°. Light wind, up to 9 mph. Chance of precipitation up to 55%.
United States · Illinois · 39.8017, -89.6437
Today Now 4:20 PM
+90° Mostly clear
Expect partly cloudy. Daytime high +90°, overnight low +73°. Light wind, up to 9 mph. Chance of precipitation up to 55%.
Tomorrow high +73° and thunderstorm, nighttime low +68°, about 16° colder.
Seven days ahead fall within +41°…+90°. Weekly maximum — +90° (Tue). Coldest at night — Sat, +41°. Rain on Wed, Thu, Fri. Windiest day — Fri (21 mph). It cools down by the end of the week.
Difference between forecast daytime high and the 1991–2020 norm for this date.
Today is one of the warmest such days in three decades.
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Today is about 22° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +36° / +22° | +28° | 2.5 |
| Feb | +42° / +25° | +32° | 2.3 |
| Mar | +53° / +35° | +43° | 3.4 |
| Apr | +65° / +45° | +54° | 4.6 |
| May | +75° / +56° | +64° | 4.7 |
| Jun | +83° / +65° | +73° | 4.5 |
| Jul | +86° / +69° | +77° | 4.1 |
| Aug | +85° / +67° | +75° | 3.2 |
| Sep | +80° / +59° | +69° | 3.2 |
| Oct | +68° / +48° | +57° | 3.3 |
| Nov | +53° / +37° | +44° | 3.2 |
| Dec | +42° / +28° | +34° | 2.5 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.