Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. 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

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Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

December Normals for Temperature, Precipitation and Snowfall for Chicago, IL