Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

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

November Normals for Chicago for Temperature, Precipitation and Snowfall

Day of Month	High	Low	Average	HDD	CDD	Precipitation	Snowfall
1	55.4	39.7	47.6	17.5	0	0.09	0
2	54.9	39.3	47.1	17.9	0	0.09	0
3	54.4	38.9	46.7	18.4	0	0.09	0
4	54	38.6	46.3	18.8	0	0.09	0.1
5	53.5	38.2	45.8	19.2	0	0.09	0
6	53	37.8	45.4	19.6	0	0.09	0
7	52.5	37.4	45	20.1	0	0.08	0
8	52	37	44.5	20.5	0	0.08	0
9	51.5	36.6	44.1	21	0	0.08	0.1
10	51	36.2	43.6	21.4	0	0.08	0
11	50.5	35.8	43.2	21.8	0	0.08	0
12	50	35.4	42.7	22.3	0	0.08	0.1
13	49.5	35	42.3	22.7	0	0.08	0
14	49.1	34.6	41.8	23.2	0	0.08	0.1
15	48.6	34.2	41.4	23.6	0	0.08	0
16	48.1	33.8	41	24	0	0.08	0.1
17	47.6	33.5	40.5	24.5	0	0.08	0
18	47.1	33.1	40.1	24.9	0	0.08	0.1
19	46.6	32.7	39.7	25.3	0	0.07	0
20	46.1	32.3	39.2	25.8	0	0.08	0.1
21	45.7	31.9	38.8	26.2	0	0.08	0.1
22	45.2	31.5	38.4	26.6	0	0.08	0.1
23	44.7	31.2	38	27	0	0.07	0.1
24	44.3	30.8	37.5	27.5	0	0.08	0.1
25	43.8	30.4	37.1	27.9	0	0.08	0.1
26	43.4	30.1	36.7	28.3	0	0.07	0.1
27	43	29.7	36.3	28.7	0	0.08	0.1
28	42.5	29.4	36	29	0	0.07	0.1
29	42.1	29	35.6	29.4	0	0.08	0.2
30	41.7	28.7	35.2	29.8	0	0.08	0.1

MONTH	48.4	34.1	41.3	712.9	0	2.42	1.8

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Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

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