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Lat Long: 42.42° N 90.37° W
Ski USA - Illinois

Chestnut Mountain Snow Forecast

Weather Forecast for Chestnut Mountain at 317m altitude

Issued: 12 am 16 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 55.0mm), heaviest during Sun morning. Warm (max 26°C on Mon afternoon, min 16°C on Fri night). Winds increasing (calm on Sat afternoon, fresh winds from the SSW by Sun night).

Days 5-7 weather summary:

Heavy rain (total 22.0mm), heaviest during Mon night. Warm (max 23°C on Mon night, min 5°C on Wed night). Winds decreasing (fresh winds from the WSW on Mon night, light winds from the E by Wed night).

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
clear
part cloud
light rain
heavy rain
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
part cloud
part cloud
cloud
cloud
risk thun- der
clear
some clouds
light rain
heavy rain
clear
rain shwrs
risk thun- der
risk thun- der
risk thun- der
light rain
light rain
some clouds
some clouds
cloudy
cloudy
km/h
35
W
10
NW
5
NW
20
SE
15
SSE
30
S
35
SSW
20
SW
25
SW
25
SSW
25
WSW
15
NW
15
NW
15
N
15
N
10
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
14
3
27
2
4
5
17
2
3
 max °C
21
23
25
19
21
25
23
23
26
23
18
14
12
11
12
8
 min °C
16
21
22
17
18
25
20
20
25
17
16
13
8
10
11
5
15
21
22
16
18
25
20
20
25
16
16
12
6
8
10
2
94
60
43
85
98
76
74
91
77
85
93
94
79
64
63
87
3750
3850
3850
3650
3800
4400
4400
4050
4300
4250
4250
4100
3850
3450
3200
2000
Sea lvl1000m2000m3000m4000m5000m
19222418202522222620171410111271823251820262122262018131012137
Sunrise
5:39
5:37
5:37
5:35
5:35
Sunset
8:15
8:17
8:19
8:20
8:21

Snow Radar

Latest snow reports near Chestnut Mountain:

No recent snow reports

No recent snow reports

Chestnut Mountain Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:17 Mar 2026
Snow AlertsCreate Alert
Other resorts in USA - Illinois are reporting: powder (0) / good piste (0)


Snow History

Week 3 of May has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.



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