Alton Hourly Forecast

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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 Precip.
9 PM Cloudy  at 9 PM on Sat, Feb 15th
Cloudy
UV Index: 0
41°F

Feels
35°F
93% 8.7 NNW 29.67 inHg 0%
10 PM Overcast  at 10 PM on Sat, Feb 15th
Overcast
UV Index: 0
40°F

Feels
32°F
91% 10.1 NNW 29.69 inHg 0%
11 PM Overcast  at 11 PM on Sat, Feb 15th
Overcast
UV Index: 0
38°F

Feels
30°F
91% 12.8 NNW 29.71 inHg 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 Precip.
12 AM Overcast  at 12 AM on Sun, Feb 16th
Overcast
UV Index: 0
36°F

Feels
27°F
88% 13.6 NNW 29.75 inHg 0%
1 AM Overcast  at 1 AM on Sun, Feb 16th
Overcast
UV Index: 0
34°F

Feels
25°F
84% 15 NNW 29.8 inHg 0%
2 AM Overcast  at 2 AM on Sun, Feb 16th
Overcast
UV Index: 0
32°F

Feels
22°F
82% 15.4 NNW 29.85 inHg 0%
3 AM Overcast  at 3 AM on Sun, Feb 16th
Overcast
UV Index: 0
31°F

Feels
20°F
78% 14.3 NNW 29.88 inHg 0%
4 AM Cloudy  at 4 AM on Sun, Feb 16th
Cloudy
UV Index: 0
30°F

Feels
19°F
78% 15 NW 29.91 inHg 0%
5 AM Partly Cloudy  at 5 AM on Sun, Feb 16th
Partly Cloudy
UV Index: 0
28°F

Feels
17°F
77% 15.2 NW 29.94 inHg 0%
6 AM Cloudy  at 6 AM on Sun, Feb 16th
Cloudy
UV Index: 0
27°F

Feels
16°F
78% 15 NW 30 inHg 0%
7 AM Overcast  at 7 AM on Sun, Feb 16th
Overcast
UV Index: 0
26°F

Feels
14°F
78% 14.8 NW 30.05 inHg 0%
8 AM Cloudy  at 8 AM on Sun, Feb 16th
Cloudy
UV Index: 0.4
25°F

Feels
14°F
76% 13.2 NW 30.08 inHg 0%
9 AM Cloudy  at 9 AM on Sun, Feb 16th
Cloudy
UV Index: 1.1
26°F

Feels
14°F
73% 13 NW 30.12 inHg 0%
10 AM Overcast  at 10 AM on Sun, Feb 16th
Overcast
UV Index: 2.2
27°F

Feels
15°F
68% 13.9 NW 30.16 inHg 0%
11 AM Overcast  at 11 AM on Sun, Feb 16th
Overcast
UV Index: 3.1
28°F

Feels
17°F
65% 14.1 NW 30.2 inHg 0%
12 PM Overcast  at 12 PM on Sun, Feb 16th
Overcast
UV Index: 3.5
29°F

Feels
19°F
61% 13.6 NW 30.2 inHg 0%
1 PM Overcast  at 1 PM on Sun, Feb 16th
Overcast
UV Index: 3.2
30°F

Feels
20°F
58% 13.6 NW 30.21 inHg 0%
2 PM Overcast  at 2 PM on Sun, Feb 16th
Overcast
UV Index: 2.4
31°F

Feels
21°F
56% 13.4 NW 30.21 inHg 0%
3 PM Partly Cloudy  at 3 PM on Sun, Feb 16th
Partly Cloudy
UV Index: 1.3
31°F

Feels
21°F
54% 13.6 NW 30.21 inHg 0%
4 PM Cloudy  at 4 PM on Sun, Feb 16th
Cloudy
UV Index: 0.5
31°F

Feels
21°F
53% 13.2 NW 30.22 inHg 0%
5 PM Overcast  at 5 PM on Sun, Feb 16th
Overcast
UV Index: 0.1
30°F

Feels
20°F
54% 11.6 NW 30.24 inHg 0%
6 PM Cloudy  at 6 PM on Sun, Feb 16th
Cloudy
UV Index: 0
29°F

Feels
20°F
55% 9.6 NW 30.27 inHg 0%
7 PM Partly Cloudy  at 7 PM on Sun, Feb 16th
Partly Cloudy
UV Index: 0
28°F

Feels
19°F
57% 7.6 NW 30.3 inHg 0%
8 PM Partly Cloudy  at 8 PM on Sun, Feb 16th
Partly Cloudy
UV Index: 0
27°F

Feels
19°F
59% 6.5 NNW 30.33 inHg 0%
9 PM Partly Cloudy  at 9 PM on Sun, Feb 16th
Partly Cloudy
UV Index: 0
26°F

Feels
18°F
60% 6.3 N 30.35 inHg 0%
10 PM Clear  at 10 PM on Sun, Feb 16th
Clear
UV Index: 0
24°F

Feels
17°F
60% 5.6 N 30.36 inHg 0%
11 PM Clear  at 11 PM on Sun, Feb 16th
Clear
UV Index: 0
24°F

Feels
16°F
76% 4.9 N 30.36 inHg 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 Precip.
12 AM Clear  at 12 AM on Mon, Feb 17th
Clear
UV Index: 0
23°F

Feels
16°F
60% 4.3 N 30.38 inHg 0%
1 AM Clear  at 1 AM on Mon, Feb 17th
Clear
UV Index: 0
23°F

Feels
15°F
60% 4.7 NNW 30.39 inHg 0%
2 AM Clear  at 2 AM on Mon, Feb 17th
Clear
UV Index: 0
23°F

Feels
15°F
58% 4.9 NNW 30.39 inHg 0%
3 AM Clear  at 3 AM on Mon, Feb 17th
Clear
UV Index: 0
22°F

Feels
14°F
57% 4.9 NNW 30.39 inHg 0%
4 AM Partly Cloudy  at 4 AM on Mon, Feb 17th
Partly Cloudy
UV Index: 0
22°F

Feels
14°F
56% 4.5 N 30.39 inHg 0%
5 AM Partly Cloudy  at 5 AM on Mon, Feb 17th
Partly Cloudy
UV Index: 0
22°F

Feels
15°F
55% 4.9 NNE 30.39 inHg 0%
6 AM Partly Cloudy  at 6 AM on Mon, Feb 17th
Partly Cloudy
UV Index: 0
22°F

Feels
15°F
54% 4.9 NE 30.39 inHg 0%
7 AM Overcast  at 7 AM on Mon, Feb 17th
Overcast
UV Index: 0
23°F

Feels
17°F
53% 4.5 ENE 30.4 inHg 0%
8 AM Overcast  at 8 AM on Mon, Feb 17th
Overcast
UV Index: 0.4
24°F

Feels
19°F
50% 4.3 ENE 30.42 inHg 0%
9 AM Overcast  at 9 AM on Mon, Feb 17th
Overcast
UV Index: 1.1
24°F

Feels
21°F
48% 5.1 E 30.43 inHg 0%
10 AM Sunny at 10 AM on Mon, Feb 17th
Sunny
UV Index: 2.1
27°F

Feels
23°F
47% 5.1 E 30.44 inHg 0%
11 AM Partly Cloudy  at 11 AM on Mon, Feb 17th
Partly Cloudy
UV Index: 3.4
29°F

Feels
25°F
42% 4.9 E 30.41 inHg 0%
12 PM Partly Cloudy  at 12 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 3.9
31°F

Feels
27°F
39% 5.8 ESE 30.39 inHg 0%
1 PM Partly Cloudy  at 1 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 3.4
32°F

Feels
27°F
37% 5.6 SE 30.37 inHg 0%
2 PM Partly Cloudy  at 2 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 2.6
33°F

Feels
28°F
39% 6.3 SE 30.34 inHg 0%
3 PM Partly Cloudy  at 3 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 1.5
33°F

Feels
28°F
40% 6.5 SE 30.32 inHg 0%
4 PM Overcast  at 4 PM on Mon, Feb 17th
Overcast
UV Index: 0.6
33°F

Feels
27°F
41% 6.7 SE 30.3 inHg 0%
5 PM Overcast  at 5 PM on Mon, Feb 17th
Overcast
UV Index: 0.1
32°F

Feels
26°F
47% 6.9 SE 30.29 inHg 0%
6 PM Overcast  at 6 PM on Mon, Feb 17th
Overcast
UV Index: 0
31°F

Feels
25°F
50% 6.5 ESE 30.28 inHg 0%
7 PM Partly Cloudy  at 7 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 0
30°F

Feels
24°F
53% 6.3 E 30.27 inHg 0%
8 PM Partly Cloudy  at 8 PM on Mon, Feb 17th
Partly Cloudy
UV Index: 0
29°F

Feels
22°F
55% 7.4 E 30.27 inHg 0%

Currently

Overcast 43°F
29.67 inHg.
Barometer
89%
Humidity
NNW 6.5mph
Wind
Overcast

National Outlook

Hourly Weather Nearby

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