Alton Hourly Forecast
Next 48 Hours
Today
Partly cloudy with a 40 percent chance of showers in the morning, then sunny in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph shifting to the southwest in the afternoon.
Tonight
Clear. Lows in the mid 30s. South winds around 10 mph in the evening then becoming light.
| Tue, Nov 5th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
9 AM Partly Cloudy  UV Index: 0.5 |
45°F Feels 40°F |
85% | 7.2 W | 29.82 inHg | 38.9°F | 0% |
10 AM Sunny UV Index: 1.3 |
48°F Feels 45°F |
73% | 7.8 W | 29.81 inHg | 38.3°F | 0% |
11 AM SunnyUV Index: 2.3 |
51°F Feels 48°F |
58% | 8.7 W | 29.8 inHg | 37.8°F | 0% |
12 PM SunnyUV Index: 3 |
54°F Feels 52°F |
50% | 8.5 W | 29.78 inHg | 36.1°F | 0% |
1 PM SunnyUV Index: 3.1 |
57°F Feels 55°F |
44% | 10.5 WSW | 29.76 inHg | 35.3°F | 0% |
2 PM SunnyUV Index: 2.5 |
59°F Feels 58°F |
39% | 10.5 WSW | 29.73 inHg | 34.4°F | 0% |
3 PM SunnyUV Index: 1.6 |
60°F Feels 60°F |
37% | 11 WSW | 29.72 inHg | 33.9°F | 0% |
4 PM SunnyUV Index: 0.7 |
59°F Feels 58°F |
34% | 11.2 WSW | 29.71 inHg | 33.5°F | 0% |
5 PM SunnyUV Index: 0.2 |
57°F Feels 56°F |
42% | 8.7 SW | 29.73 inHg | 34.3°F | 0% |
6 PM Clear  UV Index: 0 |
55°F Feels 54°F |
46% | 8.1 SSW | 29.74 inHg | 34.8°F | 0% |
7 PM Clear UV Index: 0 |
52°F Feels 50°F |
50% | 8.9 SSW | 29.76 inHg | 35.2°F | 0% |
8 PM Clear UV Index: 0 |
49°F Feels 46°F |
57% | 9.4 S | 29.8 inHg | 33.7°F | 0% |
9 PM Clear UV Index: 0 |
46°F Feels 43°F |
60% | 9.6 S | 29.82 inHg | 33°F | 0% |
10 PM Clear UV Index: 0 |
47°F Feels 43°F |
64% | 9.6 S | 29.84 inHg | 32.2°F | 0% |
11 PM Clear UV Index: 0 |
45°F Feels 41°F |
56% | 8.5 SSW | 29.82 inHg | 32°F | 0% |
Wednesday
Mostly cloudy with a 30 percent chance of showers. Highs in the mid 50s. Northeast winds 10 to 15 mph.
Wednesday Night
Cloudy with a 40 percent chance of showers. Lows in the upper 30s. North winds 10 to 15 mph with gusts to around 20 mph.
| Wed, Nov 6th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Partly Cloudy  UV Index: 0 |
43°F Feels 41°F |
68% | 6.3 SW | 29.86 inHg | 32.7°F | 0% |
1 AM Partly Cloudy UV Index: 0 |
42°F Feels 39°F |
70% | 4.7 WNW | 29.86 inHg | 32.9°F | 0% |
2 AM Partly Cloudy UV Index: 0 |
41°F Feels 38°F |
76% | 1.8 SW | 29.87 inHg | 33°F | 0% |
3 AM Partly Cloudy UV Index: 0 |
40°F Feels 37°F |
78% | 3.6 SSW | 29.88 inHg | 33.1°F | 0% |
4 AM Clear UV Index: 0 |
39°F Feels 35°F |
81% | 3.1 S | 29.89 inHg | 33.2°F | 0% |
5 AM Partly Cloudy UV Index: 0 |
38°F Feels 34°F |
85% | 4.7 SSE | 29.91 inHg | 33.5°F | 0% |
6 AM Cloudy  UV Index: 0 |
37°F Feels 33°F |
87% | 6.7 SSE | 29.92 inHg | 33.7°F | 0% |
7 AM Cloudy UV Index: 0 |
38°F Feels 34°F |
89% | 6.7 SSE | 29.93 inHg | 33.8°F | 0% |
8 AM Cloudy  UV Index: 0 |
39°F Feels 34°F |
89% | 6.7 SE | 29.93 inHg | 35.9°F | 0% |
9 AM Cloudy UV Index: 0.5 |
40°F Feels 35°F |
88% | 3.8 SSE | 29.93 inHg | 36.9°F | 0% |
10 AM Overcast  UV Index: 1.2 |
42°F Feels 37°F |
88% | 2 SE | 29.93 inHg | 38°F | 0% |
11 AM Overcast UV Index: 1.8 |
43°F Feels 38°F |
88% | 4 E | 29.91 inHg | 40.4°F | 0% |
12 PM Overcast UV Index: 2.4 |
45°F Feels 40°F |
89% | 5.1 E | 29.9 inHg | 41.7°F | 0% |
1 PM Overcast UV Index: 2.3 |
47°F Feels 42°F |
89% | 4.7 E | 29.89 inHg | 42.9°F | 0% |
2 PM Overcast UV Index: 2.1 |
49°F Feels 44°F |
82% | 2.7 E | 29.86 inHg | 43.7°F | 0% |
3 PM Overcast UV Index: 1.3 |
50°F Feels 46°F |
79% | 3.6 N | 29.84 inHg | 44.2°F | 0% |
4 PM Overcast UV Index: 0.5 |
51°F Feels 46°F |
76% | 7.2 NNW | 29.82 inHg | 44.6°F | 0% |
5 PM Overcast UV Index: 0.1 |
51°F Feels 46°F |
80% | 10.1 NNW | 29.83 inHg | 45.1°F | 0% |
6 PM Overcast  UV Index: 0 |
51°F Feels 46°F |
82% | 13 NW | 29.84 inHg | 45.3°F | 0% |
7 PM Overcast UV Index: 0 |
50°F Feels 46°F |
84% | 14.3 NW | 29.84 inHg | 45.6°F | 0% |
8 PM Moderate Or Heavy Rain Shower UV Index: 0 |
50°F Feels 46°F |
90% | 12.8 NNW | 29.87 inHg | 47.4°F | 100% Rain est. 0.06in |
9 PM Moderate Or Heavy Rain ShowerUV Index: 0 |
50°F Feels 46°F |
94% | 12.8 NNW | 29.88 inHg | 48.3°F | 100% Rain est. 0.09in |
10 PM Moderate Rain UV Index: 0 |
47°F Feels 43°F |
97% | 14.3 NW | 29.89 inHg | 49.2°F | 100% Rain est. 0.12in |
11 PM Clear UV Index: 0 |
46°F Feels 41°F |
67% | 15.4 NNW | 29.85 inHg | 32.6°F | 0% |
Thursday
Mostly cloudy with a 30 percent chance of showers. Highs in the upper 40s. Northeast winds 10 to 15 mph with gusts to around 20 mph.
Thursday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 30s.
| Thu, Nov 7th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Moderate RainUV Index: 0 |
44°F Feels 38°F |
88% | 16.3 NNW | 29.96 inHg | 41.2°F | 100% Rain est. 0.03in |
1 AM Partly Cloudy UV Index: 0 |
42°F Feels 36°F |
85% | 15.9 NNW | 29.98 inHg | 38.6°F | 0% |
2 AM Partly Cloudy UV Index: 0 |
41°F Feels 34°F |
88% | 15.4 NNW | 30.01 inHg | 37.1°F | 0% |
3 AM Partly Cloudy UV Index: 0 |
39°F Feels 33°F |
89% | 14.1 NNW | 30.02 inHg | 36.4°F | 0% |
4 AM Partly Cloudy UV Index: 0 |
39°F Feels 32°F |
91% | 14.8 NNW | 30.03 inHg | 35.7°F | 0% |
5 AM Partly Cloudy UV Index: 0 |
39°F Feels 32°F |
88% | 14.3 NNW | 30.05 inHg | 35.8°F | 0% |
6 AM Partly Cloudy UV Index: 0 |
40°F Feels 32°F |
87% | 13.2 N | 30.06 inHg | 35.9°F | 0% |
7 AM Overcast UV Index: 0 |
40°F Feels 33°F |
86% | 11.2 NNW | 30.08 inHg | 36°F | 0% |
8 AM Overcast UV Index: 1 |
40°F Feels 33°F |
82% | 13 NNW | 30.1 inHg | 35.4°F | 0% |
Currently
 |
43°F |
29.76in
Barometer 97%
Humidity Northwest 12.7mph Wind |
| Overcast | ||
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