Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

Isolated severe thunderstorms are likely across parts of the Southeast/Deep South Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama. In the north-central U.S., a storm will bring heavy snow and gusty to high winds over parts of the northern Plains and Upper Midwest Tuesday before impacting the Great Lakes Wednesday into Thanksgiving. Read More >

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

September Normals for Rockford for Temperature and Precipitation

Day of Month	High	Low	Average	HDD	CDD	Precipitation
1	79.8	58.9	69.3	0.9	5.2	0.14
2	79.6	58.6	69.1	1	5	0.14
3	79.3	58.3	68.8	1.1	4.9	0.13
4	79.1	57.9	68.5	1.2	4.7	0.13
5	78.8	57.6	68.2	1.3	4.5	0.13
6	78.6	57.3	67.9	1.4	4.4	0.13
7	78.3	56.9	67.6	1.6	4.2	0.13
8	78	56.6	67.3	1.8	4	0.14
9	77.7	56.2	67	1.9	3.9	0.13
10	77.4	55.8	66.6	2.1	3.7	0.12
11	77.1	55.4	66.3	2.2	3.5	0.12
12	76.8	55	65.9	2.4	3.4	0.12
13	76.5	54.7	65.6	2.7	3.2	0.12
14	76.1	54.3	65.2	2.9	3.1	0.13
15	75.8	53.8	64.8	3.1	2.9	0.12
16	75.4	53.4	64.4	3.4	2.8	0.12
17	75.1	53	64	3.6	2.7	0.12
18	74.7	52.6	63.6	3.9	2.5	0.13
19	74.3	52.2	63.2	4.1	2.4	0.12
20	73.9	51.8	62.8	4.4	2.2	0.12
21	73.5	51.3	62.4	4.6	2.1	0.13
22	73.1	50.9	62	4.9	1.9	0.12
23	72.7	50.5	61.6	5.1	1.8	0.12
24	72.3	50.1	61.2	5.4	1.6	0.11
25	71.9	49.7	60.8	5.8	1.6	0.11
26	71.5	49.3	60.4	6.1	1.5	0.11
27	71	48.8	59.9	6.5	1.4	0.1
28	70.6	48.4	59.5	6.8	1.3	0.09
29	70.2	48	59.1	7.1	1.2	0.09
30	69.7	47.6	58.7	7.4	1.1	0.1

MONTH	75.3	53.5	64.4	106.7	88.7	3.62

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Severe Thunderstorms in the Southern U.S.; Heavy Snow in the North-Central U.S.

September Normals for Temperature and Precipitation for Rockford, IL