Alton Hourly Forecast
Next 48 Hours
Tonight
A chance of showers this evening, then rain after midnight. Lows in the upper 30s. East winds around 10 mph, becoming north after midnight. Gusts up to 30 mph. Chance of rain near 100 percent.
Saturday
Rain in the morning, then a chance of rain showers in the afternoon. Highs in the lower 40s. Northwest winds 15 to 25 mph. Gusts up to 45 mph in the afternoon. Chance of rain near 100 percent.
| Fri, Nov 22nd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
7 PM Overcast  UV Index: 0 |
44°F Feels 39°F |
70% | 6.5 E | 29.54 inHg | 35.2°F | 0% |
8 PM Overcast UV Index: 0 |
43°F Feels 38°F |
70% | 4.5 ENE | 29.54 inHg | 34.4°F | 0% |
9 PM Overcast UV Index: 0 |
42°F Feels 37°F |
83% | 4.5 NE | 29.56 inHg | 36.6°F | 0% |
10 PM Overcast UV Index: 0 |
41°F Feels 36°F |
93% | 5.4 NE | 29.57 inHg | 38.9°F | 0% |
11 PM Light Rain UV Index: 0 |
41°F Feels 35°F |
96% | 6.9 NE | 29.56 inHg | 39.6°F | 100% Rain est. 0.05in |
Saturday Night
Mostly cloudy. A slight chance of showers in the evening. Lows in the upper 30s. Northwest winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 20 percent.
Sunday
Partly sunny. Highs in the lower 40s. West winds 15 to 25 mph with gusts up to 45 mph.
| Sat, Nov 23rd | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Overcast UV Index: 0 |
40°F Feels 35°F |
95% | 9.6 ENE | 29.54 inHg | 39°F | 0% |
1 AM Overcast UV Index: 0 |
40°F Feels 34°F |
93% | 8.5 NE | 29.53 inHg | 38°F | 0% |
2 AM Light Sleet UV Index: 0 |
39°F Feels 33°F |
92% | 6.7 NNE | 29.5 inHg | 36.6°F | 100% Rain est. 0.06in |
3 AM Overcast UV Index: 0 |
38°F Feels 33°F |
90% | 8.7 NNE | 29.49 inHg | 35.5°F | 0% |
4 AM Overcast UV Index: 0 |
38°F Feels 33°F |
89% | 7.2 N | 29.46 inHg | 35°F | 0% |
5 AM Overcast UV Index: 0 |
38°F Feels 32°F |
89% | 6 N | 29.44 inHg | 35.3°F | 0% |
6 AM Overcast UV Index: 0 |
38°F Feels 32°F |
89% | 5.6 NNW | 29.43 inHg | 35.6°F | 0% |
7 AM Overcast  UV Index: 0 |
38°F Feels 32°F |
95% | 5.8 NW | 29.44 inHg | 36.6°F | 0% |
8 AM Light Sleet UV Index: 0.1 |
38°F Feels 32°F |
94% | 5.6 NW | 29.41 inHg | 36.2°F | 100% Rain est. 0.05in |
9 AM Overcast UV Index: 0.2 |
38°F Feels 31°F |
93% | 5.4 NW | 29.39 inHg | 35.9°F | 0% |
10 AM Overcast UV Index: 0.3 |
38°F Feels 31°F |
91% | 6.7 NW | 29.39 inHg | 35.3°F | 0% |
11 AM Moderate Snow UV Index: 0.5 |
38°F Feels 31°F |
90% | 6.9 WNW | 29.37 inHg | 34.9°F | 100% Rain est. 0.08in |
12 PM Overcast UV Index: 0.8 |
39°F Feels 32°F |
85% | 8.1 WNW | 29.34 inHg | 34.4°F | 0% |
1 PM Overcast UV Index: 0.8 |
40°F Feels 33°F |
76% | 8.9 WNW | 29.31 inHg | 33.5°F | 0% |
2 PM Overcast UV Index: 0.3 |
40°F Feels 32°F |
70% | 8.7 NW | 29.3 inHg | 32.1°F | 0% |
3 PM Overcast UV Index: 0.1 |
39°F Feels 31°F |
72% | 9.2 NW | 29.31 inHg | 31.2°F | 0% |
4 PM Overcast UV Index: 0 |
39°F Feels 30°F |
73% | 9.4 NW | 29.32 inHg | 30.8°F | 0% |
5 PM Overcast UV Index: 0 |
38°F Feels 29°F |
74% | 10.7 WNW | 29.33 inHg | 30.4°F | 0% |
6 PM Overcast UV Index: 0 |
37°F Feels 28°F |
76% | 10.1 WNW | 29.37 inHg | 30.1°F | 0% |
7 PM Overcast UV Index: 0 |
37°F Feels 27°F |
77% | 10.7 WNW | 29.38 inHg | 29.9°F | 0% |
8 PM Clear  UV Index: 0 |
36°F Feels 27°F |
78% | 11.4 WNW | 29.4 inHg | 29.7°F | 0% |
9 PM Clear UV Index: 0 |
37°F Feels 27°F |
79% | 11.6 WNW | 29.42 inHg | 30.4°F | 0% |
10 PM Clear UV Index: 0 |
37°F Feels 28°F |
79% | 11.6 WNW | 29.43 inHg | 30.7°F | 0% |
11 PM Cloudy  UV Index: 0 |
37°F Feels 27°F |
87% | 12.1 WNW | 29.38 inHg | 34°F | 0% |
Sunday Night
Partly cloudy. Lows around 30. West winds 15 to 20 mph with gusts up to 40 mph.
Monday
Partly sunny. Highs in the mid 40s.
| Sun, Nov 24th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Partly Cloudy  UV Index: 0 |
36°F Feels 27°F |
81% | 12.8 WNW | 29.47 inHg | 30.9°F | 0% |
1 AM Cloudy UV Index: 0 |
36°F Feels 26°F |
81% | 13.6 WNW | 29.48 inHg | 30.8°F | 0% |
2 AM Cloudy UV Index: 0 |
36°F Feels 26°F |
82% | 14.5 WNW | 29.49 inHg | 30.7°F | 0% |
3 AM Cloudy UV Index: 0 |
35°F Feels 26°F |
83% | 15 WNW | 29.52 inHg | 30.3°F | 0% |
4 AM Cloudy UV Index: 0 |
35°F Feels 25°F |
83% | 14.3 WNW | 29.53 inHg | 30.1°F | 0% |
5 AM Cloudy UV Index: 0 |
35°F Feels 25°F |
83% | 13.6 WNW | 29.55 inHg | 30°F | 0% |
6 AM Cloudy UV Index: 0 |
35°F Feels 26°F |
82% | 14.3 WNW | 29.57 inHg | 30.3°F | 0% |
7 AM Cloudy  UV Index: 0 |
35°F Feels 26°F |
82% | 14.3 WNW | 29.58 inHg | 30.4°F | 0% |
8 AM Partly Cloudy  UV Index: 0.1 |
36°F Feels 27°F |
82% | 14.3 WNW | 29.58 inHg | 30.6°F | 0% |
9 AM Partly Cloudy UV Index: 0.3 |
37°F Feels 27°F |
76% | 16.3 WNW | 29.61 inHg | 30.1°F | 0% |
10 AM Partly Cloudy UV Index: 0.7 |
38°F Feels 28°F |
73% | 15.7 WNW | 29.62 inHg | 29.8°F | 0% |
11 AM Partly Cloudy UV Index: 0.9 |
38°F Feels 29°F |
70% | 17.2 WNW | 29.63 inHg | 29.6°F | 0% |
12 PM Partly Cloudy UV Index: 0.9 |
38°F Feels 29°F |
67% | 17.2 WNW | 29.65 inHg | 28.3°F | 0% |
1 PM Partly Cloudy UV Index: 0.7 |
38°F Feels 29°F |
65% | 17 WNW | 29.66 inHg | 27.6°F | 0% |
2 PM Overcast UV Index: 0.6 |
38°F Feels 28°F |
63% | 16.8 WNW | 29.67 inHg | 26.9°F | 0% |
3 PM Overcast UV Index: 0.3 |
37°F Feels 28°F |
63% | 16.6 WNW | 29.7 inHg | 25.9°F | 0% |
4 PM Overcast UV Index: 0 |
37°F Feels 27°F |
63% | 16.3 WNW | 29.72 inHg | 25.4°F | 0% |
5 PM Cloudy UV Index: 0 |
36°F Feels 26°F |
63% | 16.3 WNW | 29.73 inHg | 24.8°F | 0% |
6 PM Cloudy UV Index: 0 |
35°F Feels 25°F |
64% | 17 WNW | 29.77 inHg | 24.3°F | 0% |
Currently
 |
43°F |
29.52in
Barometer 89%
Humidity East 8.1mph Wind |
| Partly Cloudy | ||
Hourly Weather Nearby
More Local Information
Bookmark and Share
Download our App
