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Alton Hourly Weather Forecast

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Tue, Jul 15th 2025

Cloudy skies giving way to Clear conditions by evening. Temps range from 84°F to 94°F. Light winds, shifting from NNW to NNE at 4.1 mph, while humidity ranges from 50% to 67%, with an avg barometric pressure of 29.98 inHg.
Tue, Jul 15th Temp Humidity Wind (mph) Pressure (inHg) Precip.
11 AM Sunny at 11 AM on Tue, Jul 15th 2025
Sunny
UV: 9.1
94°F

Feels
108°F
58% 3.6 NNW 30.03 0%
12 PM Sunny at 12 PM on Tue, Jul 15th 2025
Sunny
UV: 11
93°F

Feels
106°F
55% 3.6 NNW 30.02 0%
1 PM Cloudy at 1 PM on Tue, Jul 15th 2025
Cloudy
UV: 11.5
94°F

Feels
105°F
55% 3.1 NNW 30.01 0%
2 PM Cloudy at 2 PM on Tue, Jul 15th 2025
Cloudy
UV: 10.4
94°F

Feels
105°F
51% 3.8 NW 29.99 0%
3 PM Cloudy at 3 PM on Tue, Jul 15th 2025
Cloudy
UV: 8
94°F

Feels
104°F
50% 4.7 NW 29.97 0%
4 PM Cloudy at 4 PM on Tue, Jul 15th 2025
Cloudy
UV: 4.1
94°F

Feels
104°F
52% 5.1 NW 29.97 0%
5 PM Partly Cloudy at 5 PM on Tue, Jul 15th 2025
Partly Cloudy
UV: 2
93°F

Feels
103°F
50% 4.7 NW 29.95 0%
6 PM Partly Cloudy at 6 PM on Tue, Jul 15th 2025
Partly Cloudy
UV: 0.7
92°F

Feels
101°F
52% 4.7 NW 29.95 0%
7 PM Sunny at 7 PM on Tue, Jul 15th 2025
Sunny
UV: 0.2
90°F

Feels
98°F
55% 5.6 NNW 29.95 0%
8 PM Clear at 8 PM on Tue, Jul 15th 2025
Clear
UV: 0
89°F

Feels
96°F
58% 4.7 N 29.95 0%
9 PM Clear at 9 PM on Tue, Jul 15th 2025
Clear
UV: 0
87°F

Feels
94°F
61% 3.8 NNE 29.97 0%
10 PM Clear at 10 PM on Tue, Jul 15th 2025
Clear
UV: 0
86°F

Feels
92°F
65% 2.7 NE 29.98 0%
11 PM Clear at 11 PM on Tue, Jul 15th 2025
Clear
UV: 0
84°F

Feels
91°F
67% 2.7 NNE 29.99 0%

Wed, Jul 16th 2025

Cloudy skies giving way to Clear conditions by evening. Temps range from 79°F to 93°F. Light winds, shifting from NNE to SSE at 3.9 mph, while humidity ranges from 52% to 86%, with an avg barometric pressure of 29.98 inHg.
Wed, Jul 16th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Clear at 12 AM on Wed, Jul 16th 2025
Clear
UV: 0
83°F

Feels
89°F
69% 2.5 NNE 29.97 0%
1 AM Clear at 1 AM on Wed, Jul 16th 2025
Clear
UV: 0
82°F

Feels
87°F
72% 2.9 NE 29.98 0%
2 AM Clear at 2 AM on Wed, Jul 16th 2025
Clear
UV: 0
81°F

Feels
86°F
76% 3.6 ENE 29.97 0%
3 AM Clear at 3 AM on Wed, Jul 16th 2025
Clear
UV: 0
80°F

Feels
85°F
78% 3.4 ENE 29.96 0%
4 AM Clear at 4 AM on Wed, Jul 16th 2025
Clear
UV: 0
80°F

Feels
85°F
80% 3.4 E 29.96 0%
5 AM Clear at 5 AM on Wed, Jul 16th 2025
Clear
UV: 0
79°F

Feels
85°F
83% 3.1 ESE 29.98 0%
6 AM Sunny at 6 AM on Wed, Jul 16th 2025
Sunny
UV: 0
79°F

Feels
85°F
84% 3.6 SE 29.99 0%
7 AM Sunny at 7 AM on Wed, Jul 16th 2025
Sunny
UV: 0.4
82°F

Feels
88°F
86% 3.6 SE 30 0%
8 AM Partly Cloudy at 8 AM on Wed, Jul 16th 2025
Partly Cloudy
UV: 1.4
84°F

Feels
92°F
73% 3.8 SE 30.01 0%
9 AM Cloudy at 9 AM on Wed, Jul 16th 2025
Cloudy
UV: 3.5
87°F

Feels
95°F
67% 3.8 SE 30.02 0%
10 AM Cloudy at 10 AM on Wed, Jul 16th 2025
Cloudy
UV: 6.3
89°F

Feels
98°F
61% 4.7 SE 30.02 0%
11 AM Cloudy at 11 AM on Wed, Jul 16th 2025
Cloudy
UV: 8.9
91°F

Feels
101°F
57% 4.5 SE 30 0%
12 PM Cloudy at 12 PM on Wed, Jul 16th 2025
Cloudy
UV: 10.8
92°F

Feels
102°F
55% 4 SE 29.99 0%
1 PM Overcast at 1 PM on Wed, Jul 16th 2025
Overcast
UV: 11.3
93°F

Feels
103°F
53% 3.4 SE 29.99 0%
2 PM Overcast at 2 PM on Wed, Jul 16th 2025
Overcast
UV: 9.6
93°F

Feels
103°F
52% 2.7 SE 29.97 0%
3 PM Overcast at 3 PM on Wed, Jul 16th 2025
Overcast
UV: 4.5
93°F

Feels
104°F
52% 2 SE 29.96 0%
4 PM Thundery outbreaks nearby at 4 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 1.6
92°F

Feels
103°F
52% 1.8 SE 29.95 0%
5 PM Thundery outbreaks nearby at 5 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0.5
91°F

Feels
102°F
58% 3.6 ESE 29.95 0%
6 PM Thundery outbreaks nearby at 6 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0.2
91°F

Feels
101°F
60% 5.8 ESE 29.95 0%
7 PM Thundery outbreaks nearby at 7 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0.1
89°F

Feels
99°F
63% 6.3 SE 29.95 0%
8 PM Thundery outbreaks nearby at 8 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0
87°F

Feels
98°F
71% 5.8 SSE 29.98 0%
9 PM Thundery outbreaks nearby at 9 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0
86°F

Feels
96°F
74% 4.3 SE 29.99 0%
10 PM Thundery outbreaks nearby at 10 PM on Wed, Jul 16th 2025
Thundery Outbreaks Nearby
UV: 0
84°F

Feels
91°F
78% 5.1 SE 30.01 0%
11 PM Partly Cloudy at 11 PM on Wed, Jul 16th 2025
Partly Cloudy
UV: 0
83°F

Feels
90°F
68% 6.3 SSE 30 0%

Thu, Jul 17th 2025

Expect consistent Thundery outbreaks nearby skies throughout the day. Temps range from 78°F to 84°F. Light winds from the SSE at 5.7 mph, while humidity ranges from 84% to 89%, with an avg barometric pressure of 30.04 inHg.
Thu, Jul 17th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Thundery outbreaks nearby at 12 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
82°F

Feels
89°F
84% 6.5 SSE 30.01 0%
1 AM Thundery outbreaks nearby at 1 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
81°F

Feels
88°F
86% 6.3 S 30.01 0%
2 AM Thundery outbreaks nearby at 2 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
80°F

Feels
87°F
87% 4.5 SSE 30.02 0%
3 AM Thundery outbreaks nearby at 3 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
79°F

Feels
86°F
88% 4.5 SSE 30.02 0%
4 AM Thundery outbreaks nearby at 4 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
79°F

Feels
85°F
89% 4.3 S 30.02 0%
5 AM Thundery outbreaks nearby at 5 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
78°F

Feels
84°F
89% 4.3 SSE 30.04 0%
6 AM Thundery outbreaks nearby at 6 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0
78°F

Feels
84°F
89% 4.9 SSE 30.05 0%
7 AM Thundery outbreaks nearby at 7 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 0.4
79°F

Feels
86°F
89% 5.4 SSE 30.07 0%
8 AM Thundery outbreaks nearby at 8 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 1.5
80°F

Feels
88°F
87% 7.4 SSE 30.06 0%
9 AM Thundery outbreaks nearby at 9 AM on Thu, Jul 17th 2025
Thundery Outbreaks Nearby
UV: 3.5
82°F

Feels
91°F
86% 7.6 SSE 30.06 0%
10 AM Overcast at 10 AM on Thu, Jul 17th 2025
Overcast
UV: 6.2
84°F

Feels
94°F
85% 7.4 SSE 30.06 0%

Currently

Sunny 86°F
30.13 inHg.
Barometer
65%
Humidity
N 3.6mph
Wind
Sunny

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