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Ski USA - Illinois

Chestnut Mountain Snow Forecast

42.42° N 90.37° W

Weather Forecast for Chestnut Mountain at 317 m altitude

Issued:
12 pm 07 Oct 2026 (local time)
Forecast update in:
 hr.  min.
Last 6 daysScroll left for last 6 daysNow
Wednesday
7
Thursday
8
Friday
9
Saturday
10
Sunday
11
Monday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
part cloud
clear
rain showers
rain showers
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
clear
clear
some clouds
some clouds
clear
rain shwrs
rain shwrs
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
light rain
rain shwrs
km/h
15
NNW
20
NW
15
WNW
10
WNW
10
WNW
5
SE
15
SSE
20
S
15
SSW
20
SSW
20
S
15
S
15
SSW
15
SW
15
SW
20
WSW
20
WSW
15
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
1
4
—
—
—
—
—
—
—
—
—
1
3
max °C
21
21
14
18
19
14
18
21
18
24
24
20
22
24
19
24
25
19
min °C
18
16
12
15
16
13
15
19
16
20
21
15
18
20
18
21
20
11
 chill °C
18
15
11
15
16
13
14
19
15
20
21
15
18
20
18
21
20
9
Humid %
59
48
57
49
40
60
75
60
78
61
58
63
63
56
71
71
65
89
Freeze m
3650
3450
3150
3050
3250
3600
3850
4100
4300
4200
4100
4000
4000
4200
4300
4300
4500
4150
Sea lvl1000m2000m3000m4000m5000m
201913171814172017222318202219232315201912171813172016222217212217232314
Sunrise
7:03
—
—
7:05
—
—
7:05
—
—
7:07
—
—
7:09
—
—
7:09
—
—
Sunset
—
6:32
—
—
6:30
—
—
6:29
—
—
6:28
—
—
6:25
—
—
6:23
—

Next 3 days weather summary:

Light rain (total 5.0mm), mostly falling on Fri morning. Warm (max 21°C on Wed morning, min 12°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 4.0mm), mostly falling on Mon night. Warm (max 25°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light.

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Avalanche information: National Avalanche Center


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)

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Snow History

Week 1 of October 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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