Alton Hourly Forecast
Next 48 Hours
Rest Of Tonight
Patchy fog early. A slight chance of thunderstorms early. A chance of rain showers early, then snow and rain showers likely. Snow accumulation up to 1 inch. Cold with lows in the mid 20s. North winds around 5 mph, becoming northwest 10 to 15 mph with gusts up to 35 mph. Chance of precipitation 70 percent.
Sunday
Mostly cloudy in the morning, then becoming mostly sunny. Much cooler with highs in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 35 mph.
Sat, Feb 15th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
---|---|---|---|---|---|---|
9 PM Cloudy ![]() UV Index: 0 |
41°F Feels 35°F Dew Point 39.9°F |
93% | 8.7 NNW | 29.67 inHg | 39.9°F | 0% |
10 PM Overcast ![]() UV Index: 0 |
40°F Feels 32°F Dew Point 37.7°F |
91% | 10.1 NNW | 29.69 inHg | 37.7°F | 0% |
11 PM Overcast ![]() UV Index: 0 |
38°F Feels 30°F Dew Point 36°F |
91% | 12.8 NNW | 29.71 inHg | 36°F | 0% |
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 17. Northwest winds 5 to 10 mph.
Washingtons Birthday
Mostly sunny. Highs in the upper 30s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon.
Sun, Feb 16th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
---|---|---|---|---|---|---|
12 AM Overcast ![]() UV Index: 0 |
36°F Feels 27°F Dew Point 33.1°F |
88% | 13.6 NNW | 29.75 inHg | 33.1°F | 0% |
1 AM Overcast ![]() UV Index: 0 |
34°F Feels 25°F Dew Point 30.3°F |
84% | 15 NNW | 29.8 inHg | 30.3°F | 0% |
2 AM Overcast ![]() UV Index: 0 |
32°F Feels 22°F Dew Point 27.5°F |
82% | 15.4 NNW | 29.85 inHg | 27.5°F | 0% |
3 AM Overcast ![]() UV Index: 0 |
31°F Feels 20°F Dew Point 24.4°F |
78% | 14.3 NNW | 29.88 inHg | 24.4°F | 0% |
4 AM Cloudy ![]() UV Index: 0 |
30°F Feels 19°F Dew Point 23.5°F |
78% | 15 NW | 29.91 inHg | 23.5°F | 0% |
5 AM Partly Cloudy ![]() UV Index: 0 |
28°F Feels 17°F Dew Point 22.1°F |
77% | 15.2 NW | 29.94 inHg | 22.1°F | 0% |
6 AM Cloudy ![]() UV Index: 0 |
27°F Feels 16°F Dew Point 21.1°F |
78% | 15 NW | 30 inHg | 21.1°F | 0% |
7 AM Overcast ![]() UV Index: 0 |
26°F Feels 14°F Dew Point 20°F |
78% | 14.8 NW | 30.05 inHg | 20°F | 0% |
8 AM Cloudy ![]() UV Index: 0.4 |
25°F Feels 14°F Dew Point 18.5°F |
76% | 13.2 NW | 30.08 inHg | 18.5°F | 0% |
9 AM Cloudy ![]() UV Index: 1.1 |
26°F Feels 14°F Dew Point 17.3°F |
73% | 13 NW | 30.12 inHg | 17.3°F | 0% |
10 AM Overcast ![]() UV Index: 2.2 |
27°F Feels 15°F Dew Point 16.8°F |
68% | 13.9 NW | 30.16 inHg | 16.8°F | 0% |
11 AM Overcast ![]() UV Index: 3.1 |
28°F Feels 17°F Dew Point 17.3°F |
65% | 14.1 NW | 30.2 inHg | 17.3°F | 0% |
12 PM Overcast ![]() UV Index: 3.5 |
29°F Feels 19°F Dew Point 17.5°F |
61% | 13.6 NW | 30.2 inHg | 17.5°F | 0% |
1 PM Overcast ![]() UV Index: 3.2 |
30°F Feels 20°F Dew Point 17.3°F |
58% | 13.6 NW | 30.21 inHg | 17.3°F | 0% |
2 PM Overcast ![]() UV Index: 2.4 |
31°F Feels 21°F Dew Point 17.3°F |
56% | 13.4 NW | 30.21 inHg | 17.3°F | 0% |
3 PM Partly Cloudy ![]() UV Index: 1.3 |
31°F Feels 21°F Dew Point 17.1°F |
54% | 13.6 NW | 30.21 inHg | 17.1°F | 0% |
4 PM Cloudy ![]() UV Index: 0.5 |
31°F Feels 21°F Dew Point 16.5°F |
53% | 13.2 NW | 30.22 inHg | 16.5°F | 0% |
5 PM Overcast ![]() UV Index: 0.1 |
30°F Feels 20°F Dew Point 15.8°F |
54% | 11.6 NW | 30.24 inHg | 15.8°F | 0% |
6 PM Cloudy ![]() UV Index: 0 |
29°F Feels 20°F Dew Point 15.1°F |
55% | 9.6 NW | 30.27 inHg | 15.1°F | 0% |
7 PM Partly Cloudy ![]() UV Index: 0 |
28°F Feels 19°F Dew Point 14.7°F |
57% | 7.6 NW | 30.3 inHg | 14.7°F | 0% |
8 PM Partly Cloudy ![]() UV Index: 0 |
27°F Feels 19°F Dew Point 14°F |
59% | 6.5 NNW | 30.33 inHg | 14°F | 0% |
9 PM Partly Cloudy ![]() UV Index: 0 |
26°F Feels 18°F Dew Point 13.6°F |
60% | 6.3 N | 30.35 inHg | 13.6°F | 0% |
10 PM Clear ![]() UV Index: 0 |
24°F Feels 17°F Dew Point 13.3°F |
60% | 5.6 N | 30.36 inHg | 13.3°F | 0% |
11 PM Clear ![]() UV Index: 0 |
24°F Feels 16°F Dew Point 15.2°F |
76% | 4.9 N | 30.36 inHg | 15.2°F | 0% |
Monday Night
Mostly cloudy. Cold with lows in the lower 20s. East winds 5 to 10 mph.
Tuesday
Cloudy. A chance of snow showers in the morning, then snow showers in the afternoon. Light snow accumulation. Colder. Near steady temperature in the mid 20s. Chance of snow 80 percent.
Mon, Feb 17th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
---|---|---|---|---|---|---|
12 AM Clear ![]() UV Index: 0 |
23°F Feels 16°F Dew Point 11.8°F |
60% | 4.3 N | 30.38 inHg | 11.8°F | 0% |
1 AM Clear ![]() UV Index: 0 |
23°F Feels 15°F Dew Point 11.3°F |
60% | 4.7 NNW | 30.39 inHg | 11.3°F | 0% |
2 AM Clear ![]() UV Index: 0 |
23°F Feels 15°F Dew Point 10.2°F |
58% | 4.9 NNW | 30.39 inHg | 10.2°F | 0% |
3 AM Clear ![]() UV Index: 0 |
22°F Feels 14°F Dew Point 9.6°F |
57% | 4.9 NNW | 30.39 inHg | 9.6°F | 0% |
4 AM Partly Cloudy ![]() UV Index: 0 |
22°F Feels 14°F Dew Point 9.1°F |
56% | 4.5 N | 30.39 inHg | 9.1°F | 0% |
5 AM Partly Cloudy ![]() UV Index: 0 |
22°F Feels 15°F Dew Point 8.4°F |
55% | 4.9 NNE | 30.39 inHg | 8.4°F | 0% |
6 AM Partly Cloudy ![]() UV Index: 0 |
22°F Feels 15°F Dew Point 8.1°F |
54% | 4.9 NE | 30.39 inHg | 8.1°F | 0% |
7 AM Overcast ![]() UV Index: 0 |
23°F Feels 17°F Dew Point 7.7°F |
53% | 4.5 ENE | 30.4 inHg | 7.7°F | 0% |
8 AM Overcast ![]() UV Index: 0.4 |
24°F Feels 19°F Dew Point 7.6°F |
50% | 4.3 ENE | 30.42 inHg | 7.6°F | 0% |
9 AM Overcast ![]() UV Index: 1.1 |
24°F Feels 21°F Dew Point 7.6°F |
48% | 5.1 E | 30.43 inHg | 7.6°F | 0% |
10 AM Sunny![]() UV Index: 2.1 |
27°F Feels 23°F Dew Point 7.5°F |
47% | 5.1 E | 30.44 inHg | 7.5°F | 0% |
11 AM Partly Cloudy ![]() UV Index: 3.4 |
29°F Feels 25°F Dew Point 8.5°F |
42% | 4.9 E | 30.41 inHg | 8.5°F | 0% |
12 PM Partly Cloudy ![]() UV Index: 3.9 |
31°F Feels 27°F Dew Point 8.9°F |
39% | 5.8 ESE | 30.39 inHg | 8.9°F | 0% |
1 PM Partly Cloudy ![]() UV Index: 3.4 |
32°F Feels 27°F Dew Point 9.4°F |
37% | 5.6 SE | 30.37 inHg | 9.4°F | 0% |
2 PM Partly Cloudy ![]() UV Index: 2.6 |
33°F Feels 28°F Dew Point 11°F |
39% | 6.3 SE | 30.34 inHg | 11°F | 0% |
3 PM Partly Cloudy ![]() UV Index: 1.5 |
33°F Feels 28°F Dew Point 11.8°F |
40% | 6.5 SE | 30.32 inHg | 11.8°F | 0% |
4 PM Overcast ![]() UV Index: 0.6 |
33°F Feels 27°F Dew Point 12.6°F |
41% | 6.7 SE | 30.3 inHg | 12.6°F | 0% |
5 PM Overcast ![]() UV Index: 0.1 |
32°F Feels 26°F Dew Point 14°F |
47% | 6.9 SE | 30.29 inHg | 14°F | 0% |
6 PM Overcast ![]() UV Index: 0 |
31°F Feels 25°F Dew Point 14.8°F |
50% | 6.5 ESE | 30.28 inHg | 14.8°F | 0% |
7 PM Partly Cloudy ![]() UV Index: 0 |
30°F Feels 24°F Dew Point 15.5°F |
53% | 6.3 E | 30.27 inHg | 15.5°F | 0% |
8 PM Partly Cloudy ![]() UV Index: 0 |
29°F Feels 22°F Dew Point 15.1°F |
55% | 7.4 E | 30.27 inHg | 15.1°F | 0% |
Currently
![]() |
43°F |
29.67 inHg.
Barometer 89%
Humidity NNW 6.5mph Wind |
Overcast |