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Ski USA - Illinois

Chestnut Mountain Snow Forecast

Lat Long: 42.42° N 90.37° W

Weather Forecast for Chestnut Mountain at 317m altitude

Issued: 12 pm 19 Jul 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 18.0mm), heaviest on Mon afternoon. Warm (max 28°C on Mon afternoon, min 12°C on Tue night). Winds increasing (light winds from the SSE on Sun night, strong winds from the WSW by Mon night).

Days 4-6 weather summary:

Mostly dry. Warm (max 24°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
some clouds
some clouds
some clouds
t-storm
risk
t-storm
risk
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
km/h
10
E
5
ESE
5
SSE
15
SSW
20
W
20
W
30
NNW
25
NNW
15
NNE
5
ENE
5
NW
5
WSW
10
SW
10
SSW
10
SSW
10
S
10
S
0
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
13
5
max °C
24
25
21
27
28
25
24
24
18
20
21
17
23
24
20
22
22
18
min °C
21
24
19
24
27
20
23
22
12
17
21
15
20
23
17
20
22
16
 chill °C
21
24
19
24
27
20
23
22
11
17
21
15
20
23
17
20
22
16
Humid %
70
61
80
73
82
84
67
64
74
56
47
75
63
53
84
74
63
84
Freeze m
4700
4850
5000
4850
4750
4900
4500
4350
4400
4200
4250
4050
4150
4300
4400
4450
4400
4450
Sea lvl1000m2000m3000m4000m5000m
232520262823242315192116222419212217242620262822252415202315232418222316
Sunrise
5:39
5:41
5:41
5:43
5:43
5:45
Sunset
8:34
8:32
8:31
8:30
8:30
8:29

Days 7-16 weather summary:

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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 3 of July 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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