National Weather Service United States Department of Commerce

Flash Flood Risk across the Ohio Valley Today; Severe Storms Possible from the Ohio Valley to Southern Plains

Thunderstorms will produce additional heavy rainfall across much of the Ohio Valley through this evening, leading to a moderate risk for flash flooding due to grounds already being saturated across the region. Elsewhere, severe thunderstorms are possible from the Ohio Valley to the Southern Plains, and critical fire weather conditions are forecast across parts of the Pacific Northwest today. Read More >

 

 
CHICAGO NORMALS (1981-2010)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

 

April Normals for Chicago for Temperature, Precipitation and Snowfall

 

Day of Month High Low Average HDD CDD Precipitation Snowfall
1 53 34 44 22 0 0.10 0.1
2 54 34 44 21 0 0.11 0.1
3 54 35 44 21 0 0.10 0.1
4 54 35 45 20 0 0.11 0.1
5 55 35 45 20 0 0.10 0.1
6 55 36 45 20 0 0.10 0.0
7 56 36 46 19 0 0.11 0.1
8 56 36 46 19 0 0.11 0.0
9 56 37 46 19 0 0.12 0.1
10 57 37 47 18 0 0.11 0.0
11 57 37 47 18 0 0.12 0.1
12 58 38 48 18 0 0.11 0.0
13 58 38 48 17 0 0.11 0.1
14 58 38 48 17 0 0.11 0.0
15 59 39 49 17 0 0.12 0.1
16 59 39 49 16 0 0.11 0.0
17 60 39 50 16 0 0.12 0.0
18 60 40 50 16 0 0.11 0.1
19 61 40 50 15 0 0.12 0.0
20 61 40 51 15 0 0.11 0.0
21 61 41 51 15 0 0.11 0.0
22 62 41 51 14 0 0.12 0.0
23 62 41 52 14 0 0.11 0.1
24 63 42 52 13 0 0.11 0.0
25 63 42 52 13 0 0.12 0.0
26 63 42 53 13 0 0.12 0.0
27 64 43 53 12 0 0.12 0.0
28 64 43 54 12 0 0.12 0.0
29 64 43 54 12 0 0.12 0.0
30 65 44 54 11 0 0.12 0.0
               
MONTH 59 38.8 48.9 492 9 3.38 1.2