Alton Hourly Forecast
Next 48 Hours
Tonight
Partly cloudy. Lows in the mid 20s. Southeast winds around 5 mph.
Saturday
Mostly sunny. Highs in the mid 40s. Southeast winds 5 to 10 mph.
| Fri, Nov 22nd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
6 PM Clear  UV Index: 0 |
40°F Feels 39°F |
58% | 1.1 WNW | 30.16 inHg | 27.3°F | 0% |
7 PM Clear UV Index: 0 |
37°F Feels 34°F |
63% | 2.9 ESE | 30.15 inHg | 27.6°F | 0% |
8 PM Clear UV Index: 0 |
34°F Feels 31°F |
66% | 1.3 E | 30.14 inHg | 22.9°F | 0% |
9 PM Clear UV Index: 0 |
32°F Feels 29°F |
70% | 3.1 SE | 30.15 inHg | 22.9°F | 0% |
10 PM Clear UV Index: 0 |
31°F Feels 29°F |
72% | 3.1 SE | 30.15 inHg | 22.9°F | 0% |
11 PM Clear UV Index: 0 |
30°F Feels 27°F |
74% | 3.6 SSE | 30.15 inHg | 22.8°F | 0% |
Saturday Night
Mostly cloudy. Lows in the lower 30s. Southeast winds 5 to 10 mph.
Sunday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 40s. East winds around 5 mph, increasing to northwest 10 to 15 mph in the afternoon.
| Sat, Nov 23rd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Clear UV Index: 0 |
29°F Feels 25°F |
75% | 4.5 SSE | 30.14 inHg | 22.6°F | 0% |
1 AM Clear UV Index: 0 |
28°F Feels 23°F |
80% | 4 SSE | 30.12 inHg | 22.8°F | 0% |
2 AM Partly Cloudy  UV Index: 0 |
28°F Feels 22°F |
83% | 2.9 SSE | 30.11 inHg | 22.9°F | 0% |
3 AM Clear UV Index: 0 |
28°F Feels 22°F |
84% | 2.5 SE | 30.1 inHg | 23.3°F | 0% |
4 AM Clear UV Index: 0 |
28°F Feels 22°F |
84% | 3.1 ESE | 30.08 inHg | 23.6°F | 0% |
5 AM Cloudy  UV Index: 0 |
29°F Feels 22°F |
84% | 3.6 ESE | 30.06 inHg | 24°F | 0% |
6 AM Overcast  UV Index: 0 |
29°F Feels 23°F |
82% | 4.7 E | 30.05 inHg | 24.5°F | 0% |
7 AM Partly Cloudy UV Index: 0 |
29°F Feels 22°F |
83% | 5.8 E | 30.04 inHg | 24.9°F | 0% |
8 AM Sunny UV Index: 0 |
29°F Feels 22°F |
87% | 6.5 ESE | 30.04 inHg | 25°F | 0% |
9 AM SunnyUV Index: 0.3 |
31°F Feels 24°F |
86% | 6.3 E | 30.03 inHg | 25.4°F | 0% |
10 AM SunnyUV Index: 0.8 |
36°F Feels 29°F |
73% | 7.8 E | 30.02 inHg | 26°F | 0% |
11 AM SunnyUV Index: 1.2 |
39°F Feels 33°F |
64% | 8.5 ESE | 30 inHg | 28.7°F | 0% |
12 PM Overcast  UV Index: 1.4 |
41°F Feels 36°F |
60% | 8.3 ESE | 29.97 inHg | 29.4°F | 0% |
1 PM Overcast UV Index: 1.6 |
43°F Feels 37°F |
61% | 7.6 ESE | 29.93 inHg | 31.1°F | 0% |
2 PM Overcast UV Index: 1.1 |
44°F Feels 38°F |
63% | 8.7 ESE | 29.89 inHg | 32.6°F | 0% |
3 PM Overcast UV Index: 0.6 |
44°F Feels 39°F |
64% | 8.7 ESE | 29.88 inHg | 33.4°F | 0% |
4 PM Cloudy  UV Index: 0.2 |
43°F Feels 38°F |
65% | 7.6 ESE | 29.86 inHg | 34.1°F | 0% |
5 PM Cloudy UV Index: 0 |
42°F Feels 36°F |
73% | 7.4 E | 29.85 inHg | 33.7°F | 0% |
6 PM Cloudy UV Index: 0 |
40°F Feels 34°F |
76% | 7.8 E | 29.85 inHg | 33.5°F | 0% |
7 PM Overcast UV Index: 0 |
40°F Feels 33°F |
80% | 8.5 E | 29.84 inHg | 33.3°F | 0% |
8 PM Overcast UV Index: 0 |
40°F Feels 33°F |
81% | 8.1 E | 29.82 inHg | 34°F | 0% |
9 PM Overcast UV Index: 0 |
40°F Feels 33°F |
82% | 8.5 E | 29.81 inHg | 34.4°F | 0% |
10 PM Overcast UV Index: 0 |
38°F Feels 32°F |
83% | 9.2 ESE | 29.8 inHg | 34.7°F | 0% |
11 PM Partly Cloudy UV Index: 0 |
39°F Feels 32°F |
72% | 9.2 ESE | 29.88 inHg | 28.9°F | 0% |
Sunday Night
Mostly cloudy. Cooler with lows in the lower 20s. Northwest winds 15 to 20 mph.
Monday
Partly sunny in the morning, then clearing. Much cooler with highs around 30.
| Sun, Nov 24th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Overcast UV Index: 0 |
39°F Feels 32°F |
88% | 9.6 ESE | 29.74 inHg | 35.7°F | 0% |
1 AM Cloudy UV Index: 0 |
38°F Feels 30°F |
90% | 9.8 ESE | 29.72 inHg | 36°F | 0% |
2 AM Cloudy UV Index: 0 |
37°F Feels 29°F |
94% | 9.6 ESE | 29.7 inHg | 35°F | 0% |
3 AM Cloudy UV Index: 0 |
36°F Feels 28°F |
96% | 8.5 ESE | 29.69 inHg | 34.5°F | 0% |
4 AM Partly Cloudy UV Index: 0 |
35°F Feels 28°F |
98% | 8.3 ESE | 29.69 inHg | 34°F | 0% |
5 AM Partly Cloudy UV Index: 0 |
35°F Feels 28°F |
97% | 8.3 ESE | 29.67 inHg | 33.9°F | 0% |
6 AM Partly Cloudy UV Index: 0 |
35°F Feels 28°F |
97% | 7.8 ESE | 29.67 inHg | 33.8°F | 0% |
7 AM Overcast UV Index: 0 |
35°F Feels 29°F |
97% | 7.4 E | 29.66 inHg | 33.7°F | 0% |
8 AM Overcast UV Index: 0 |
35°F Feels 31°F |
97% | 6.5 ESE | 29.67 inHg | 34.5°F | 0% |
9 AM Overcast UV Index: 0.3 |
36°F Feels 32°F |
96% | 6.3 ESE | 29.68 inHg | 34.8°F | 0% |
10 AM Mist UV Index: 0.7 |
36°F Feels 32°F |
96% | 6.5 ESE | 29.68 inHg | 35.2°F | 0% |
11 AM MistUV Index: 1.1 |
37°F Feels 32°F |
94% | 7.2 ESE | 29.71 inHg | 35.1°F | 0% |
12 PM MistUV Index: 1.5 |
37°F Feels 31°F |
93% | 5.8 ESE | 29.72 inHg | 35°F | 0% |
1 PM Overcast UV Index: 1.5 |
37°F Feels 31°F |
92% | 4.3 ESE | 29.73 inHg | 35°F | 0% |
2 PM Overcast UV Index: 0.5 |
38°F Feels 30°F |
88% | 3.1 ENE | 29.75 inHg | 34.6°F | 0% |
3 PM Overcast UV Index: 0.2 |
38°F Feels 31°F |
86% | 4 NE | 29.76 inHg | 34.4°F | 0% |
4 PM Overcast UV Index: 0.1 |
38°F Feels 29°F |
83% | 5.8 NNE | 29.77 inHg | 34.3°F | 0% |
5 PM Overcast UV Index: 0 |
37°F Feels 28°F |
84% | 5.6 NNE | 29.83 inHg | 33°F | 0% |
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