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100+ F in Phoenix as record-shattering March scorcher intensifies. See how hot it will get. Chevron right

Collinsville, IL

35°F
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Collinsville

Illinois

35°
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Collinsville, IL Weather
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Winter Center
Today WinterCast

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WinterCast

Little to no accumulation

Tue, 3/17, 8:00 PM - Wed, 3/18, 8:00 AM

Snow

4 AM

35°
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 59%
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Flurries

WindS 12 mph

Air QualityFair

Wind Gusts14 mph

Humidity55%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snowtrace

Visibility10 mi

Cloud Ceiling9800 ft

5 AM

34°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindS 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity59%

Indoor Humidity32% (Dry)

Dew Point22° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling11400 ft

6 AM

34°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

WindS 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity64%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling13000 ft

7 AM

35°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 57%
Chevron down
Rain and snow

WindS 9 mph

Air QualityFair

Wind Gusts12 mph

Humidity68%

Indoor Humidity34% (Dry)

Dew Point25° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Snowtrace

Visibility10 mi

Cloud Ceiling7000 ft

8 AM

33°
RealFeel® 20°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 2%
Chevron down
Mostly cloudy

RealFeel Shade™20°

WindS 15 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts18 mph

Humidity67%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

36°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™24°

WindS 16 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts18 mph

Humidity64%

Indoor Humidity35% (Dry)

Dew Point25° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

41°
RealFeel® 34°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™30°

WindS 15 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts18 mph

Humidity59%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

47°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™37°

WindSSW 15 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts18 mph

Humidity52%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover20%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

52°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™44°

WindSSW 14 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts20 mph

Humidity47%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

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

RealFeel Shade™49°

WindSW 13 mph

Air QualityFair

Max UV Index5.0 (Moderate)

Wind Gusts20 mph

Humidity44%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

59°
RealFeel® 62°
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°

WindSW 9 mph

Air QualityFair

Max UV Index4.8 (Moderate)

Wind Gusts15 mph

Humidity40%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

61°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™58°

WindWSW 9 mph

Air QualityFair

Max UV Index4.0 (Moderate)

Wind Gusts15 mph

Humidity38%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

62°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™60°

WindWSW 8 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts14 mph

Humidity38%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover3%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

64°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™62°

WindWSW 7 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts9 mph

Humidity38%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

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

RealFeel Shade™62°

WindW 5 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts6 mph

Humidity44%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

58°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™58°

WindW 4 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts5 mph

Humidity51%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

WindWSW 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity57%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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

WindSSE 4 mph

Air QualityPoor

Wind Gusts5 mph

Humidity63%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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

WindSSE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity69%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

47°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSSE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity75%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover34%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Illinois Collinsville

Weather Near Collinsville:

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