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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 17 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 69.0mm), heaviest during Mon night. Warm (max 26°C on Mon afternoon, min 12°C on Tue afternoon). Winds increasing (light winds from the ENE on Sat night, fresh winds from the SSW by Mon night).

Days 5-7 weather summary:

Heavy rain (total 38.0mm), heaviest during Thu night. Very mild (max 17°C on Thu afternoon, min 6°C on Tue night). Wind will be generally light.

Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
clear
clear
cloud
part cloud
clear
cloud
heavy rain
risk thun- der
risk thun- der
risk thun- der
rain shwrs
risk thun- der
risk thun- der
risk thun- der
light rain
some clouds
clear
clear
cloudy
some clouds
clear
cloudy
heavy rain
km/h
15
SSE
15
SE
25
S
35
SSW
20
SSW
30
SSW
30
SSW
20
WNW
25
NW
10
NNW
10
N
10
NE
10
E
15
ESE
15
SE
20
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
21
3
2
5
8
3
25
2
36
 max °C
20
22
24
22
24
26
24
15
14
9
12
14
11
15
17
12
 min °C
17
20
23
22
20
25
17
15
12
6
9
14
6
12
16
10
16
20
23
22
20
25
16
14
10
4
7
14
4
10
16
7
93
88
80
82
91
77
93
95
70
70
60
56
83
61
57
83
3550
4050
4350
4400
3950
4450
4200
3950
3850
3400
3150
3250
3000
3200
3500
3450
Sea lvl1000m2000m3000m4000m5000m
192124222226211513811149141711182224222327211614712159151811
Sunrise
5:37
5:37
5:35
5:35
5:33
Sunset
8:17
8:19
8:20
8:21
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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