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Severe weather outbreak to peak Friday with tornadoes. Click for the forecast. Chevron right

St. Ann, MO

81°F
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St. Ann

Missouri

81°
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St. Ann, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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1 PM

83°
RealFeel® 85°
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.
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rain drop 11%
Chevron down
Intermittent clouds

RealFeel Shade™80°

WindSSW 16 mph

Air QualityFair

Max UV Index5.6 (High)

Wind Gusts25 mph

Humidity54%

Indoor Humidity54% (Humid)

Dew Point65° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling22500 ft

2 PM

85°
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 19%
Chevron down
Intermittent clouds

RealFeel Shade™82°

WindS 16 mph

Air QualityFair

Max UV Index5.5 (Moderate)

Wind Gusts23 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point64° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover72%

Visibility10 mi

Cloud Ceiling24900 ft

3 PM

84°
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 19%
Chevron down
Mostly cloudy

RealFeel Shade™80°

WindS 16 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts21 mph

Humidity49%

Indoor Humidity49% (Humid)

Dew Point63° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling19800 ft

4 PM

83°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 24%
Chevron down
Intermittent clouds

RealFeel Shade™79°

WindS 16 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts20 mph

Humidity50%

Indoor Humidity50% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling14700 ft

5 PM

82°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindS 16 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts20 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling17900 ft

6 PM

81°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Mostly cloudy

RealFeel Shade™78°

WindS 16 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts20 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling21100 ft

7 PM

74°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™69°

WindS 15 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts18 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2000 ft

8 PM

78°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindS 15 mph

Air QualityFair

Wind Gusts16 mph

Humidity51%

Indoor Humidity51% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling21100 ft

9 PM

73°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Thunderstorms

WindS 15 mph

Air QualityFair

Wind Gusts16 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.20 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

72°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Thunderstorms

WindS 14 mph

Air QualityFair

Wind Gusts16 mph

Humidity79%

Indoor Humidity79% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.20 in

Visibility4 mi

Cloud Ceiling2000 ft

11 PM

70°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

WindSSW 13 mph

Air QualityFair

Wind Gusts15 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling11000 ft

Hourly Weather Forecast for St. Ann

AccuWeather's hourly forecast for St. Ann provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 83° with a RealFeel® of 85°, intermittent clouds with a 11% 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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Weather Near St. Ann:

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