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NWS Transformation
Point Forecast:
4 Miles NE Chicago IL
41.88N 87.62W
Last Update: 8:31 pm CDT Oct 7, 2026
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Weather Elements
Fire Weather
Probabilistic Forecasts
(Experimental)
Description
|
Survey
Temperature (°F)
Dewpoint (°F)
Wind Chill (°F)
Surface Wind
kt
mph
km/h
m/s
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Snow
Freezing Rain
Sleet
Fog
Mixing Height
x100ft
x100m
Trans. Wind
kt
mph
km/h
m/s
20ft Wind
kt
mph
km/h
m/s
Vent Rate (x1000 mph-ft)
Quantitative Precipitation
3-hr
6-hr
12-hr
24-hr
info
0.10
0.25
0.50
1.00
Snowfall
3-hr
6-hr
12-hr
24-hr
info
0.1in
1in
3in
6in
12in
48-Hour Period Starting:
8pm Wed, Oct 7 2026
9pm Wed, Oct 7 2026
10pm Wed, Oct 7 2026
11pm Wed, Oct 7 2026
12am Thu, Oct 8 2026
1am Thu, Oct 8 2026
2am Thu, Oct 8 2026
3am Thu, Oct 8 2026
4am Thu, Oct 8 2026
5am Thu, Oct 8 2026
6am Thu, Oct 8 2026
7am Thu, Oct 8 2026
8am Thu, Oct 8 2026
9am Thu, Oct 8 2026
10am Thu, Oct 8 2026
11am Thu, Oct 8 2026
12pm Thu, Oct 8 2026
1pm Thu, Oct 8 2026
2pm Thu, Oct 8 2026
3pm Thu, Oct 8 2026
4pm Thu, Oct 8 2026
5pm Thu, Oct 8 2026
6pm Thu, Oct 8 2026
7pm Thu, Oct 8 2026
8pm Thu, Oct 8 2026
9pm Thu, Oct 8 2026
10pm Thu, Oct 8 2026
11pm Thu, Oct 8 2026
12am Fri, Oct 9 2026
1am Fri, Oct 9 2026
2am Fri, Oct 9 2026
3am Fri, Oct 9 2026
4am Fri, Oct 9 2026
5am Fri, Oct 9 2026
6am Fri, Oct 9 2026
7am Fri, Oct 9 2026
8am Fri, Oct 9 2026
9am Fri, Oct 9 2026
10am Fri, Oct 9 2026
11am Fri, Oct 9 2026
12pm Fri, Oct 9 2026
1pm Fri, Oct 9 2026
2pm Fri, Oct 9 2026
3pm Fri, Oct 9 2026
4pm Fri, Oct 9 2026
5pm Fri, Oct 9 2026
6pm Fri, Oct 9 2026
7pm Fri, Oct 9 2026
8pm Fri, Oct 9 2026
9pm Fri, Oct 9 2026
10pm Fri, Oct 9 2026
11pm Fri, Oct 9 2026
12am Sat, Oct 10 2026
1am Sat, Oct 10 2026
2am Sat, Oct 10 2026
3am Sat, Oct 10 2026
4am Sat, Oct 10 2026
5am Sat, Oct 10 2026
6am Sat, Oct 10 2026
7am Sat, Oct 10 2026
8am Sat, Oct 10 2026
9am Sat, Oct 10 2026
10am Sat, Oct 10 2026
11am Sat, Oct 10 2026
12pm Sat, Oct 10 2026
1pm Sat, Oct 10 2026
2pm Sat, Oct 10 2026
3pm Sat, Oct 10 2026
4pm Sat, Oct 10 2026
5pm Sat, Oct 10 2026
6pm Sat, Oct 10 2026
7pm Sat, Oct 10 2026
8pm Sat, Oct 10 2026
9pm Sat, Oct 10 2026
10pm Sat, Oct 10 2026
11pm Sat, Oct 10 2026
12am Sun, Oct 11 2026
1am Sun, Oct 11 2026
2am Sun, Oct 11 2026
3am Sun, Oct 11 2026
4am Sun, Oct 11 2026
5am Sun, Oct 11 2026
6am Sun, Oct 11 2026
7am Sun, Oct 11 2026
8am Sun, Oct 11 2026
9am Sun, Oct 11 2026
10am Sun, Oct 11 2026
11am Sun, Oct 11 2026
12pm Sun, Oct 11 2026
1pm Sun, Oct 11 2026
2pm Sun, Oct 11 2026
3pm Sun, Oct 11 2026
4pm Sun, Oct 11 2026
5pm Sun, Oct 11 2026
6pm Sun, Oct 11 2026
7pm Sun, Oct 11 2026
8pm Sun, Oct 11 2026
9pm Sun, Oct 11 2026
10pm Sun, Oct 11 2026
11pm Sun, Oct 11 2026
12am Mon, Oct 12 2026
1am Mon, Oct 12 2026
2am Mon, Oct 12 2026
3am Mon, Oct 12 2026
4am Mon, Oct 12 2026
5am Mon, Oct 12 2026
6am Mon, Oct 12 2026
7am Mon, Oct 12 2026
Date
10/07
10/08
Hour (CDT)
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
Temperature (°F)
65
64
64
63
62
62
61
60
59
58
58
57
58
60
62
64
66
67
67
68
68
67
65
63
Dewpoint (°F)
52
50
49
48
47
46
46
46
46
46
46
46
46
46
47
47
46
45
45
46
46
46
47
48
Wind Chill (°F)
Surface Wind (mph)
7
8
9
10
10
11
11
11
11
10
9
9
9
9
9
9
8
8
8
8
8
7
6
6
Wind Dir
WNW
WNW
W
WNW
WNW
WNW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
NW
WNW
WNW
W
Gust
13
14
16
17
17
18
18
17
17
16
15
14
14
14
14
14
14
13
Sky Cover (%)
4
7
10
13
12
10
13
22
27
24
24
22
29
33
36
11
10
11
4
3
3
13
14
29
Precipitation Potential (%)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Relative Humidity (%)
62
60
58
57
57
57
58
59
61
63
65
67
64
59
57
54
50
46
45
45
46
48
52
57
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Date
10/09
Hour (CDT)
20
21
22
23
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
Temperature (°F)
63
62
61
61
60
58
58
57
56
56
56
56
57
60
63
65
66
67
68
69
70
69
69
68
Dewpoint (°F)
48
49
49
49
49
50
49
49
49
49
49
50
50
50
51
52
52
52
53
54
55
55
55
55
Wind Chill (°F)
Surface Wind (mph)
5
5
5
3
3
3
3
3
5
5
5
5
6
7
8
9
9
10
11
11
11
11
11
11
Wind Dir
W
WSW
W
W
W
W
WSW
SW
SSW
S
S
S
S
S
S
S
S
S
S
SSE
SSE
SSE
SSE
SSE
Gust
14
15
16
16
16
16
Sky Cover (%)
33
45
42
33
36
44
53
43
53
27
12
37
10
34
58
54
49
45
41
36
32
29
25
22
Precipitation Potential (%)
0
0
0
0
0
0
0
0
0
0
0
7
7
7
7
7
7
11
11
11
11
11
11
2
Relative Humidity (%)
59
62
63
65
68
72
73
74
76
78
79
80
76
70
65
62
60
59
58
59
59
60
62
62
Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Thunder
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Snow
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Freezing Rain
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
Sleet
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
International System of Units
Forecast Discussion
7-Day Forecast
Hourly Weather Graph
Graphical Hazardous Weather Outlook
Hazardous Weather
Regional Weather Conditions
Past Weather Information