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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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Alton

Illinois

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Alton, IL Weather
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10 PM

44°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy
alerts

Dense Fog Advisory

6:00 PM Sunday - 9:00 AM Monday

WindSSE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity98%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

45°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear
alerts

Dense Fog Advisory

6:00 PM Sunday - 9:00 AM Monday

WindSSE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity95%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Alton:

  • O'Fallon, MO
  • St. Charles, MO
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