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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: 6 am 15 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 29.0mm), heaviest during Fri night. Warm (max 25°C on Sun afternoon, min 16°C on Fri night). Winds increasing (calm on Sat afternoon, fresh winds from the SSW by Sun afternoon).

Days 4-6 weather summary:

Heavy rain (total 34.0mm), heaviest during Mon night. Warm (max 24°C on Mon afternoon, min 4°C on Wed night). Winds decreasing (fresh winds from the S on Mon night, light winds from the NE by Wed night).

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
rain showers
clear
clear
rain showers
thunderstorm
part cloud
rain showers
thunderstorm
thunderstorm
rain showers
light rain
part cloud
part cloud
clear
part cloud
clear
clear
clear
rain shwrs
clear
clear
rain shwrs
risk thun- der
some clouds
rain shwrs
risk thun- der
risk thun- der
rain shwrs
light rain
some clouds
some clouds
clear
some clouds
clear
km/h
15
SSW
20
S
30
NW
10
W
5
NE
10
SE
20
SSE
35
S
35
SSW
30
SSW
30
SSW
20
WSW
30
SW
20
WNW
20
NW
20
NW
20
NW
10
N
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
21
2
2
4
5
2
25
2
 max °C
22
24
20
23
24
19
23
25
23
23
24
23
20
16
10
12
14
8
 min °C
18
23
16
20
23
17
20
25
20
21
24
18
15
14
7
10
12
4
18
23
16
20
23
17
20
25
20
21
24
17
14
12
4
7
10
2
72
61
92
73
50
91
87
73
69
81
82
95
82
78
61
57
55
74
3600
3950
3850
3850
3850
3900
3850
4400
4450
4100
4400
4150
4300
4150
3350
2750
2350
2150
Sea lvl1000m2000m3000m4000m5000m
20241822241822252222242118159111362124182325172226212326201816913146
Sunrise
5:39
5:39
5:37
5:37
5:35
5:35
Sunset
8:15
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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