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Fall is right around the corner. Read AccuWeather's U.S. fall forecast Chevron right
Days of storms, flood risk expected from Plains to mid-Atlantic. Click for details. Chevron right

Bethalto, IL

88°F
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Bethalto

Illinois

88°
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Bethalto, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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1 PM

94°
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 8%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™98°

Heat Index104°

WindWSW 12 mph

Air QualityFair

Max UV Index9.1 (Very High)

Wind Gusts21 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

95°
RealFeel® 106°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 43%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™99°

Heat Index106°

WindWSW 13 mph

Air QualityFair

Max UV Index8.2 (Very High)

Wind Gusts20 mph

Humidity49%

Indoor Humidity49% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

95°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™99°

Heat Index104°

WindWSW 13 mph

Air QualityFair

Max UV Index6.2 (High)

Wind Gusts20 mph

Humidity50%

Indoor Humidity50% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™96°

Heat Index104°

WindWSW 13 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts18 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

5 PM

93°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 24%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™97°

Heat Index102°

WindWSW 12 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts15 mph

Humidity52%

Indoor Humidity52% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

92°
RealFeel® 99°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™97°

Heat Index102°

WindWSW 9 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts13 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

91°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 15%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™97°

Heat Index100°

WindSW 8 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts10 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

88°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 7%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

RealFeel Shade™92°

Heat Index95°

WindSSW 8 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts10 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 89°
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
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

Heat Index90°

WindSSW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°
RealFeel® 86°
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
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

Heat Index85°

WindSSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

78°
RealFeel® 83°
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
Intermittent clouds
alerts

Extreme Heat Warning

12:00 PM Sunday - 8:00 PM Wednesday

WindSW 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Bethalto

AccuWeather's hourly forecast for Bethalto provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 94° with a RealFeel® of 105°, partly sunny with a 8% 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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World North America United States Illinois Bethalto

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  • O'Fallon, MO
  • St. Charles, MO
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