National Weather Service United States Department of Commerce

Storm Impacting the Northwest U.S.; Strong Winds Return to Southern California

A Pacific storm will move through the Northwest U.S. today into Wednesday with areas of low elevation rain, moderate to heavy mountain snow, and high winds. Further south, strong Santa Ana winds and very dry conditions are expected to bring elevated to critical fire weather back to much of southern California this afternoon into Wednesday. Red Flag Warnings have been issued. Read More >

 

 
CHICAGO NORMALS (1991-2020)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

 

October Normals for Chicago for Temperature, Precipitation and Snowfall

 

Day of Month High Low Average HDD CDD Precipitation Snowfall
1 69.4 50.9 60.1 6.3 1.4 0.11 0
2 68.9 50.5 59.7 6.6 1.3 0.12 0
3 68.5 50.1 59.3 6.9 1.2 0.11 0
4 68 49.7 58.9 7.2 1.1 0.11 0
5 67.6 49.3 58.5 7.6 1 0.11 0
6 67.2 48.9 58.1 7.9 1 0.11 0
7 66.7 48.6 57.6 8.3 0.9 0.11 0
8 66.3 48.2 57.2 8.6 0.9 0.11 0
9 65.8 47.8 56.8 9 0.8 0.11 0
10 65.4 47.5 56.4 9.3 0.7 0.12 0
11 65 47.1 56 9.6 0.7 0.11 0
12 64.5 46.8 55.6 9.9 0.6 0.12 0
13 64.1 46.4 55.2 10.3 0.5 0.11 0
14 63.6 46.1 54.8 10.6 0.4 0.11 0
15 63.2 45.7 54.4 10.9 0.4 0.12 0
16 62.7 45.4 54 11.3 0.3 0.11 0
17 62.3 45 53.7 11.6 0.3 0.11 0
18 61.8 44.7 53.3 12 0.3 0.12 0
19 61.4 44.3 52.9 12.4 0.2 0.11 0
20 60.9 44 52.5 12.8 0.2 0.1 0
21 60.5 43.6 52.1 13.1 0.2 0.11 0.1
22 60 43.3 51.7 13.5 0.2 0.11 0
23 59.6 42.9 51.3 13.9 0.2 0.11 0
24 59.1 42.6 50.9 14.3 0.1 0.11 0
25 58.7 42.2 50.5 14.7 0.1 0.11 0
26 58.2 41.9 50 15.1 0.1 0.11 0
27 57.8 41.5 49.6 15.5 0.1 0.11 0
28 57.3 41.2 49.2 15.8 0.1 0.11 0
29 56.8 40.8 48.8 16.3 0.1 0.11 0.1
30 56.4 40.4 48.4 16.7 0.1 0.1 0
31 55.9 40.1 48 17.1 0.1 0.1 0
               
MONTH 62.7 45.4 54 355.1 15.6 3.43 0.2