Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

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

July Normals for Chicago for Temperature and Precipitation

Day of Month	High	Low	Average	HDD	CDD	Precipitation
1	84	65.2	74.6	0.1	9.7	0.11
2	84.1	65.3	74.7	0.1	9.8	0.11
3	84.2	65.5	74.9	0.1	10	0.1
4	84.3	65.7	75	0.1	10.1	0.11
5	84.4	65.8	75.1	0.1	10.2	0.11
6	84.5	65.9	75.2	0.1	10.3	0.11
7	84.6	66.1	75.3	0.1	10.4	0.11
8	84.7	66.2	75.4	0.1	10.5	0.11
9	84.7	66.3	75.5	0.1	10.5	0.12
10	84.7	66.4	75.6	0.1	10.6	0.13
11	84.8	66.5	75.6	0.1	10.7	0.12
12	84.8	66.5	75.7	0.1	10.7	0.12
13	84.8	66.6	75.7	0.1	10.7	0.11
14	84.8	66.6	75.7	0.1	10.8	0.12
15	84.8	66.7	75.7	0.1	10.8	0.11
16	84.8	66.7	75.7	0.1	10.8	0.12
17	84.8	66.7	75.7	0.1	10.8	0.12
18	84.7	66.8	75.7	0.1	10.8	0.11
19	84.7	66.8	75.7	0.1	10.8	0.12
20	84.7	66.8	75.7	0.1	10.8	0.12
21	84.6	66.8	75.7	0.1	10.8	0.13
22	84.6	66.8	75.7	0.1	10.7	0.12
23	84.5	66.8	75.6	0.1	10.7	0.13
24	84.5	66.7	75.6	0.1	10.7	0.13
25	84.4	66.7	75.6	0.1	10.6	0.13
26	84.3	66.7	75.5	0	10.6	0.13
27	84.3	66.7	75.5	0	10.5	0.13
28	84.2	66.6	75.4	0	10.5	0.12
29	84.1	66.6	75.4	0	10.4	0.13
30	84.1	66.6	75.3	0	10.4	0.14
31	84	66.5	75.3	0	10.3	0.13

MONTH	84.5	66.4	75.4	2.5	326	3.71

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Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

July Normals for Temperature and Precipitation for Chicago, IL