Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

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

March Normals for Chicago for Temperature, Precipitation and Snowfall

Day of Month	High	Low	Average	HDD	CDD	Precipitation	Snowfall
1	40.9	26.4	33.7	31.3	0	0.08	0.3
2	41.4	26.8	34.1	30.9	0	0.08	0.2
3	41.8	27.1	34.4	30.6	0	0.09	0.3
4	42.2	27.4	34.8	30.2	0	0.08	0.3
5	42.6	27.8	35.2	29.8	0	0.07	0.2
6	43	28.1	35.5	29.5	0	0.08	0.3
7	43.4	28.4	35.9	29.1	0	0.08	0.2
8	43.8	28.7	36.3	28.7	0	0.07	0.3
9	44.2	29	36.6	28.4	0	0.07	0.2
10	44.6	29.3	37	28	0	0.08	0.3
11	45.1	29.6	37.3	27.7	0	0.07	0.2
12	45.5	29.9	37.7	27.3	0	0.08	0.2
13	45.9	30.2	38	27	0.1	0.07	0.2
14	46.3	30.5	38.4	26.7	0.1	0.07	0.2
15	46.7	30.8	38.7	26.4	0.1	0.08	0.2
16	47.1	31.1	39.1	26	0.1	0.07	0.1
17	47.5	31.4	39.4	25.7	0.1	0.08	0.2
18	47.8	31.7	39.8	25.3	0.1	0.08	0.2
19	48.2	31.9	40.1	25	0.1	0.08	0.1
20	48.6	32.2	40.4	24.7	0.1	0.08	0.2
21	49	32.5	40.8	24.4	0.1	0.08	0.1
22	49.4	32.8	41.1	24	0.1	0.08	0.1
23	49.8	33	41.4	23.7	0.1	0.08	0.1
24	50.2	33.3	41.7	23.4	0.1	0.07	0.1
25	50.6	33.6	42.1	23	0.1	0.08	0.1
26	50.9	33.9	42.4	22.7	0.1	0.08	0.1
27	51.3	34.1	42.7	22.4	0.1	0.09	0.1
28	51.7	34.4	43.1	22	0.1	0.08	0.1
29	52.1	34.7	43.4	21.7	0.1	0.09	0.1
30	52.5	35	43.7	21.3	0.1	0.09	0.1
31	52.9	35.3	44.1	21	0.1	0.09	0.1

MONTH	47	31	39	807.9	1.9	2.45	5.5

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Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

March Normals for Temperature, Precipitation, and Snowfall for Chicago