Alton Hourly Forecast
Next 48 Hours
Flood Watch Remains In Effect Through Late Tonight
Rest Of Today
Cloudy with scattered thunderstorms. Numerous showers late this morning, then scattered showers this afternoon. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible late this morning. Near steady temperature around 70. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent.
| Mon, Nov 4th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
1 PM Overcast  UV Index: 0.6 |
69°F Feels 69°F |
91% | 13 SSE | 29.89 inHg | 65.6°F | 0% |
2 PM Overcast UV Index: 1.1 |
70°F Feels 70°F |
85% | 12.3 SSE | 29.87 inHg | 65.5°F | 0% |
3 PM Cloudy  UV Index: 0.6 |
72°F Feels 76°F |
80% | 12.5 SSE | 29.83 inHg | 65.4°F | 0% |
4 PM Overcast UV Index: 0.3 |
72°F Feels 76°F |
76% | 10.5 SSE | 29.81 inHg | 65.6°F | 0% |
5 PM Overcast UV Index: 0 |
72°F Feels 76°F |
78% | 11.2 SSE | 29.81 inHg | 65.1°F | 0% |
6 PM Overcast  UV Index: 0 |
72°F Feels 72°F |
79% | 14.1 SSE | 29.82 inHg | 65.2°F | 0% |
7 PM Overcast UV Index: 0 |
70°F Feels 70°F |
81% | 13.6 SSE | 29.82 inHg | 65.1°F | 0% |
8 PM Overcast UV Index: 0 |
70°F Feels 70°F |
86% | 14.8 SSE | 29.82 inHg | 64.8°F | 0% |
9 PM Overcast UV Index: 0 |
69°F Feels 69°F |
84% | 15.4 SSE | 29.81 inHg | 64.6°F | 0% |
10 PM Overcast UV Index: 0 |
69°F Feels 69°F |
87% | 17 SSE | 29.81 inHg | 64.3°F | 0% |
11 PM Overcast UV Index: 0 |
68°F Feels 68°F |
88% | 18.1 SSE | 29.8 inHg | 64.4°F | 0% |
Tonight
Cloudy with scattered thunderstorms. Scattered showers in the evening, then showers after midnight. Some thunderstorms may produce heavy rainfall. Locally heavy rainfall possible after midnight. Humid with lows in the upper 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
Tuesday
Isolated thunderstorms. Showers, mainly in the morning. Highs in the upper 60s. South winds 10 to 15 mph. Gusts up to 30 mph in the morning. Chance of rain near 100 percent.
| Tue, Nov 5th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Overcast UV Index: 0 |
69°F Feels 69°F |
88% | 18.6 SSE | 29.77 inHg | 64.6°F | 0% |
1 AM Overcast UV Index: 0 |
69°F Feels 69°F |
88% | 18.8 S | 29.76 inHg | 65°F | 0% |
2 AM Overcast UV Index: 0 |
69°F Feels 69°F |
87% | 18.8 S | 29.76 inHg | 65.1°F | 0% |
3 AM Overcast UV Index: 0 |
69°F Feels 69°F |
87% | 18.8 S | 29.76 inHg | 65.1°F | 0% |
4 AM Overcast UV Index: 0 |
69°F Feels 69°F |
89% | 17.4 S | 29.76 inHg | 65.3°F | 0% |
5 AM Overcast UV Index: 0 |
69°F Feels 69°F |
89% | 17.2 S | 29.75 inHg | 65.1°F | 0% |
6 AM Overcast UV Index: 0 |
68°F Feels 68°F |
88% | 17 S | 29.76 inHg | 64.5°F | 0% |
7 AM Overcast UV Index: 0 |
67°F Feels 67°F |
90% | 14.3 S | 29.77 inHg | 64.6°F | 0% |
8 AM Overcast UV Index: 0.1 |
65°F Feels 65°F |
95% | 9.2 SW | 29.79 inHg | 65°F | 0% |
9 AM Overcast UV Index: 0.5 |
63°F Feels 63°F |
97% | 2 SW | 29.88 inHg | 62.2°F | 0% |
10 AM Heavy Rain UV Index: 1.5 |
61°F Feels 60°F |
86% | 7.4 WSW | 29.87 inHg | 55.9°F | 100% Rain est. 0.58in |
11 AM Overcast UV Index: 2.8 |
60°F Feels 58°F |
90% | 8.5 SW | 29.87 inHg | 56.1°F | 0% |
12 PM Overcast UV Index: 2.8 |
60°F Feels 59°F |
94% | 7.4 SW | 29.87 inHg | 57°F | 0% |
1 PM Light Rain UV Index: 2.8 |
60°F Feels 59°F |
96% | 8.5 SSW | 29.85 inHg | 58.2°F | 100% Rain est. 0.06in |
2 PM Light RainUV Index: 2.2 |
60°F Feels 60°F |
95% | 8.9 SSW | 29.83 inHg | 58.3°F | 100% Rain est. 0.03in |
3 PM Light RainUV Index: 1.2 |
60°F Feels 60°F |
94% | 10.3 SSW | 29.82 inHg | 58.4°F | 100% Rain est. 0.01in |
4 PM Cloudy UV Index: 0.5 |
61°F Feels 61°F |
93% | 8.5 SW | 29.81 inHg | 58.5°F | 0% |
5 PM Cloudy UV Index: 0 |
61°F Feels 61°F |
93% | 6.9 SW | 29.84 inHg | 58.8°F | 0% |
6 PM Cloudy  UV Index: 0 |
61°F Feels 61°F |
93% | 5.8 SW | 29.85 inHg | 59°F | 0% |
7 PM Overcast UV Index: 0 |
61°F Feels 61°F |
93% | 4.3 SW | 29.87 inHg | 59.2°F | 0% |
8 PM Overcast UV Index: 0 |
61°F Feels 61°F |
95% | 3.1 SW | 29.88 inHg | 59.2°F | 0% |
9 PM Overcast UV Index: 0 |
61°F Feels 61°F |
95% | 2.9 W | 29.88 inHg | 59.3°F | 0% |
10 PM Mist UV Index: 0 |
58°F Feels 58°F |
96% | 2.9 NW | 29.89 inHg | 59.3°F | 0% |
11 PM MistUV Index: 0 |
59°F Feels 59°F |
95% | 3.6 NNW | 29.91 inHg | 53.7°F | 0% |
Tuesday Night
Partly cloudy. Isolated showers in the evening. Cooler with lows in the upper 40s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.
Wednesday
Mostly sunny. Highs in the mid 60s. Northeast winds around 5 mph.
| Wed, Nov 6th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM MistUV Index: 0 |
59°F Feels 59°F |
97% | 4.5 N | 29.9 inHg | 59.3°F | 0% |
1 AM Fog UV Index: 0 |
59°F Feels 60°F |
98% | 4.5 NNE | 29.9 inHg | 59.3°F | 0% |
2 AM FogUV Index: 0 |
59°F Feels 60°F |
98% | 4.5 NNE | 29.91 inHg | 58.8°F | 0% |
3 AM FogUV Index: 0 |
59°F Feels 60°F |
98% | 4.5 NE | 29.91 inHg | 58.5°F | 0% |
4 AM FogUV Index: 0 |
59°F Feels 60°F |
98% | 4.5 NNE | 29.91 inHg | 58.3°F | 0% |
5 AM FogUV Index: 0 |
59°F Feels 59°F |
98% | 4.5 NNE | 29.93 inHg | 58.1°F | 0% |
6 AM FogUV Index: 0 |
59°F Feels 59°F |
98% | 4.3 NE | 29.94 inHg | 58°F | 0% |
7 AM Fog UV Index: 0 |
58°F Feels 58°F |
98% | 4.3 NE | 29.95 inHg | 58°F | 0% |
8 AM FogUV Index: 0.4 |
58°F Feels 58°F |
96% | 4.7 ENE | 29.97 inHg | 56.9°F | 0% |
9 AM FogUV Index: 1.1 |
58°F Feels 57°F |
95% | 5.6 ENE | 29.98 inHg | 56.4°F | 0% |
10 AM Mist UV Index: 2.3 |
58°F Feels 57°F |
94% | 6.7 ENE | 29.99 inHg | 55.9°F | 0% |
11 AM MistUV Index: 3.4 |
58°F Feels 57°F |
91% | 6.5 E | 29.98 inHg | 55.1°F | 0% |
12 PM MistUV Index: 3.8 |
58°F Feels 56°F |
90% | 6.5 E | 29.98 inHg | 54.7°F | 0% |
Currently
 |
63°F |
29.91in
Barometer 93%
Humidity East 3.5mph Wind |
| Thunderstorm in Vicinity Light Rain Fog/Mist | ||
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