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Alton, MO

60°F
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Alton

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Alton, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 AM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity97%

Indoor Humidity79% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

62°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity97%

Indoor Humidity78% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity98%

Indoor Humidity77% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

61°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 20%
Chevron down
Mostly clear

WindSSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity99%

Indoor Humidity76% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 14%
Chevron down
Mostly sunny

RealFeel Shade™62°

WindSSE 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts7 mph

Humidity96%

Indoor Humidity77% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

65°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Sunny

RealFeel Shade™63°

WindS 9 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts15 mph

Humidity89%

Indoor Humidity82% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

69°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Sunny

RealFeel Shade™67°

WindS 10 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts18 mph

Humidity86%

Indoor Humidity86% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindS 12 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts20 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™73°

WindSSW 14 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts23 mph

Humidity74%

Indoor Humidity74% (Humid)

Dew Point66° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

78°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

RealFeel Shade™75°

WindSSW 16 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts27 mph

Humidity67%

Indoor Humidity67% (Humid)

Dew Point66° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling17700 ft

1 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

RealFeel Shade™77°

WindSSW 17 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts32 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point65° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling11600 ft

2 PM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindSSW 16 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts29 mph

Humidity56%

Indoor Humidity56% (Humid)

Dew Point64° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Visibility10 mi

Cloud Ceiling7000 ft

3 PM

83°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™79°

WindSSW 16 mph

Air QualityFair

Max UV Index2.4 (Low)

Wind Gusts28 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point63° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling4000 ft

4 PM

82°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSSW 15 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts25 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling23900 ft

5 PM

82°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

RealFeel Shade™78°

WindSSW 15 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts28 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling25900 ft

6 PM

80°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindS 15 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts28 mph

Humidity52%

Indoor Humidity52% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling28000 ft

7 PM

78°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Cloudy

RealFeel Shade™74°

WindS 15 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts28 mph

Humidity54%

Indoor Humidity54% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindS 15 mph

Air QualityFair

Wind Gusts29 mph

Humidity59%

Indoor Humidity59% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling26300 ft

9 PM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindS 16 mph

Air QualityFair

Wind Gusts29 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22600 ft

10 PM

73°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindS 16 mph

Air QualityFair

Wind Gusts27 mph

Humidity63%

Indoor Humidity63% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling18900 ft

11 PM

72°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds

WindS 15 mph

Air QualityFair

Wind Gusts25 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22600 ft

Hourly Weather Forecast for Alton

AccuWeather's hourly forecast for Alton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 62° with a RealFeel® of 62°, mostly clear with a 20% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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