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Historic Thanksgiving travel surge collides with coast-to-coast storm. See the forecast. Chevron right
Atmospheric river to drench Pacific Northwest Thanksgiving Week. Get the forecast. Chevron right

Alton, IL

46°F
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Today

Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Sun, Nov 23

Plenty of sunshine; a nice end to the weekend Hi: 59°

Tonight: Increasing cloudiness Lo: 43°

Current Weather

1:28 AM

46°F
RealFeel® 46°
Clear More Details
Wind W 3 mph
Wind Gusts 6 mph
Air Quality Fair

Looking Ahead

Noticeably cooler weather on the way Wednesday

Alton Weather Radar

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Clouds
Temperature

Hourly Weather

2 AM 44°
rain drop 0%
3 AM 43°
rain drop 0%
4 AM 42°
rain drop 0%
5 AM 41°
rain drop 0%
6 AM 40°
rain drop 0%
7 AM 39°
rain drop 0%
8 AM 41°
rain drop 0%
9 AM 45°
rain drop 0%
10 AM 48°
rain drop 0%
11 AM 51°
rain drop 0%
12 PM 54°
rain drop 0%
1 PM 57°
rain drop 0%

10-Day Weather Forecast

Today

11/23

59° 43°

Plenty of sunshine

Night: Increasing cloudiness

3%

Mon

11/24

56° 48°

An afternoon shower

Cloudy with a few showers

70%

Tue

11/25

59° 34°

Cloudy, a shower in the p.m.

Mainly clear; breezy, colder

49%

Wed

11/26

42° 29°

Sunny, windy and cooler

Mainly clear

10%

Thu

11/27

42° 26°

Breezy in the morning; sunny

Mostly clear and cold

3%

Fri

11/28

41° 32°

Sunny and chilly

Partly cloudy

8%

Sat

11/29

49° 39°

Times of clouds and sun

Showers around early; cloudy

25%

Sun

11/30

47° 40°

Partly sunny

A couple of t-storms late

23%

Mon

12/1

51° 32°

Thunderstorms in the morning

Early rain; otherwise, cloudy

71%

Tue

12/2

37° 29°

Colder with periods of rain

Icy mix late; rain and sleet

61%

Sun & Moon

9 hrs 50 mins
Rise 6:52 AM
Set 4:42 PM
Waxing Crescent
Rise 10:10 AM
Set 7:08 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Moderate Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

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