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At least 100 dead, major disaster declared after catastrophic Texas flood. Read the latest Chevron right
Flash flood threat to continue in central Texas into midweek. Get details Chevron right

OFallon, MO

88°F
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OFallon

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OFallon, MO Weather
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 Daily Radar MinuteCast Monthly Air Quality Health & Activities

2 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.
LEARN MORE
rain drop 25%
Chevron down
Partly sunny

RealFeel Shade™93°

WindSSW 7 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts12 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling33400 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.
LEARN MORE
rain drop 25%
Chevron down
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.
LEARN MORE
rain drop 31%
Chevron down
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.
LEARN MORE
rain drop 43%
Chevron down
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.
LEARN MORE
rain drop 47%
Chevron down
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.
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rain drop 51%
Chevron down
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.
LEARN MORE
rain drop 51%
Chevron down
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.
LEARN MORE
rain drop 47%
Chevron down
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.
LEARN MORE
rain drop 38%
Chevron down
Mostly cloudy

WindS 5 mph

Air QualityFair

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.
LEARN MORE
rain drop 28%
Chevron down
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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