National Weather Service United States Department of Commerce

Significant Flood Threat Continues For South-Central U.S.

A widespread and significant flood risk continues across the south-central U.S. from repeated rounds of intense rain and strong to severe thunderstorms. Flash flood watches are in effect for large part of the ArkLaTex. Today's concern extends from the Louisiana and extreme Upper Texas Gulf Coast to northeastern Texas and southeastern Oklahoma before shifting to all of eastern Texas on Wednesday. Read More >

 

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

 

December Normals for Chicago for Temperature, Precipitation and Snowfall

 

Day of Month High Low Average HDD CDD Precipitation Snowfall
1 41.3 28.4 34.8 30.2 0 0.08 0.2
2 40.9 28.1 34.5 30.5 0 0.08 0.2
3 40.5 27.7 34.1 30.9 0 0.07 0.2
4 40.1 27.4 33.8 31.2 0 0.08 0.2
5 39.8 27.1 33.4 31.5 0 0.08 0.3
6 39.4 26.8 33.1 31.9 0 0.07 0.2
7 39 26.6 32.8 32.2 0 0.08 0.2
8 38.7 26.3 32.5 32.5 0 0.07 0.2
9 38.4 26 32.2 32.8 0 0.08 0.2
10 38 25.7 31.9 33.1 0 0.07 0.3
11 37.7 25.5 31.6 33.4 0 0.07 0.2
12 37.4 25.2 31.3 33.7 0 0.06 0.2
13 37.1 25 31 33.9 0 0.07 0.3
14 36.8 24.7 30.8 34.2 0 0.07 0.2
15 36.6 24.5 30.5 34.5 0 0.06 0.2
16 36.3 24.2 30.3 34.7 0 0.06 0.3
17 36 24 30 35 0 0.07 0.2
18 35.8 23.8 29.8 35.2 0 0.06 0.3
19 35.5 23.6 29.5 35.5 0 0.07 0.2
20 35.3 23.3 29.3 35.7 0 0.06 0.2
21 35 23.1 29.1 35.9 0 0.06 0.3
22 34.8 22.9 28.8 36.1 0 0.07 0.3
23 34.6 22.7 28.6 36.4 0 0.06 0.2
24 34.4 22.5 28.4 36.6 0 0.07 0.3
25 34.2 22.2 28.2 36.8 0 0.06 0.3
26 34 22 28 37 0 0.06 0.2
27 33.8 21.8 27.8 37.2 0 0.06 0.3
28 33.6 21.6 27.6 37.4 0 0.07 0.3
29 33.4 21.4 27.4 37.6 0 0.06 0.3
30 33.2 21.2 27.2 37.8 0 0.06 0.3
31 33 21 27 38 0 0.07 0.3
               
MONTH 36.6 24.4 30.5 1069.4 0 2.11 7.6