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At least 100 dead, major disaster declared after catastrophic Texas flood. Read the latest

Flash flood threat to continue in central Texas into midweek. Get details

OFallon, MO

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OFallon, MO Weather

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Daily Radar MinuteCast Monthly Air Quality Health & Activities

1 PM

88°

RealFeel® 102°

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.

11%

Mostly sunny

RealFeel Shade™91°

WindS 7 mph

Air QualityFair

Max UV Index11 (Extreme)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling33300 ft

2 PM

88°

RealFeel® 101°

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.

25%

Partly sunny

RealFeel Shade™92°

WindSSW 7 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts12 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover38%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

88°

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.

25%

Intermittent clouds

RealFeel Shade™92°

WindSW 8 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts12 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°

RealFeel® 95°

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.

31%

Intermittent clouds

RealFeel Shade™89°

WindSW 8 mph

Air QualityFair

Max UV Index5 (Moderate)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

83°

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.

43%

Mostly cloudy

RealFeel Shade™86°

WindSW 8 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts9 mph

Humidity65%

Indoor Humidity65% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover80%

Visibility10 mi

Cloud Ceiling24900 ft

6 PM

80°

RealFeel® 84°

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.

47%

Cloudy

RealFeel Shade™84°

WindNNW 8 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts9 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling19800 ft

7 PM

77°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Thunderstorms

RealFeel Shade™75°

WindN 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts9 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.43 in

Visibility2 mi

Cloud Ceiling2000 ft

8 PM

74°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

51%

Thunderstorms

RealFeel Shade™74°

WindESE 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts13 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

9 PM

73°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindSSE 5 mph

Air QualityFair

Wind Gusts12 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling4000 ft

10 PM

72°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

38%

Mostly cloudy

WindS 5 mph

Air QualityExcellent

Wind Gusts10 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

71°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

28%

Mostly cloudy

WindSSW 5 mph

Air QualityFair

Wind Gusts9 mph

Humidity96%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Missouri OFallon

Weather Near OFallon:

St. Charles, MO
St. Louis, MO
St. Peters, MO

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