Rain forecast and rainfall this year
Chicago, IL
Rain likely today: 72% chance, about 0.03 inches.
Updated Thursday 3:08 PM ET.
Forecast
72 percent chance of rain
TodayHigh 52°, low 46°About 0.03 in of rain
13 percent chance of rain
TomorrowHigh 47°, low 39°About 0.01 in of rain
This year so far, since Jan 1
39.75 in
+9.08 in above normal for this point in the year (30.67 in).
National rank55th of 363
In Illinois2nd of 8
Biggest day2.94 in, Jul 27
Last measurable rain0.04 in, Nov 4, 2026
Month by month
Jan2.42
Feb0.14
Mar4.10
Apr5.63
May1.60
Jun7.34
Jul6.18
Aug4.73
Sep5.40
Oct2.14
Nov0.07
Dec–
This yearNormal
Records since 1929
Wettest year46.09 in, 1970
Biggest rain day6.16 in, Jul 12, 1957
Nearby cities
- NapervilleIL36.82 in this year25 miles
- AuroraIL36.82 in this year32 miles
- JolietIL43.84 in this year33 miles
- ElginIL36.82 in this year36 miles
- RockfordIL32.07 in this year76 miles
More Chicago weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Chicago Midway Airport station, recorded since 1928; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.