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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

45°F
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Alton

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Alton, IL Weather
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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

5 AM

40°
RealFeel® 36°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity93%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover5%

Visibility4 mi

Cloud Ceiling33500 ft

6 AM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity91%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility2 mi

Cloud Ceiling30000 ft

7 AM

42°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™39°

WindNW 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts6 mph

Humidity100%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover3%

Visibility0.50 mi

Cloud Ceiling30000 ft

8 AM

44°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™43°

WindNNW 5 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts6 mph

Humidity96%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover7%

Visibility0.50 mi

Cloud Ceiling30000 ft

9 AM

47°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™44°

WindNNW 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts6 mph

Humidity90%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility0.50 mi

Cloud Ceiling30000 ft

10 AM

49°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™48°

WindN 5 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts6 mph

Humidity82%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility1.00 mi

Cloud Ceiling30000 ft

11 AM

52°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™51°

WindN 4 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts5 mph

Humidity74%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility2 mi

Cloud Ceiling30000 ft

12 PM

54°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Fog

RealFeel Shade™54°

WindNE 4 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts4 mph

Humidity69%

Indoor Humidity41% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility4 mi

Cloud Ceiling30000 ft

1 PM

55°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™55°

WindSE 4 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts4 mph

Humidity65%

Indoor Humidity41% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

56°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™56°

WindSE 5 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts6 mph

Humidity60%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

55°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™54°

WindSSE 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts7 mph

Humidity63%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

54°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™53°

WindSSE 6 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts7 mph

Humidity66%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

51°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity73%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

48°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity80%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

46°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity88%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSE 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity89%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity90%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

45°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSE 7 mph

Air QualityPoor

Wind Gusts8 mph

Humidity91%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

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

WindSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity92%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover29%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Alton

Weather Near Alton:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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