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Heat dome collapse to spark thunderstorms. Get the forecast. Chevron right

Ottumwa, IA

86°F
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Ottumwa

Iowa

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Ottumwa, IA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

85°
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 51%
Chevron down
Thunderstorms
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™90°

Heat Index94°

WindS 9 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts15 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Rain0.01 in

Visibility5 mi

Cloud Ceiling9000 ft

4 PM

86°
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 47%
Chevron down
Cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™90°

Heat Index93°

WindS 10 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts13 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling20000 ft

5 PM

87°
RealFeel® 93°
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 34%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™90°

Heat Index93°

WindS 10 mph

Air QualityFair

Max UV Index2.5 (Moderate)

Wind Gusts13 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

88°
RealFeel® 93°
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 34%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™91°

Heat Index94°

WindSSE 10 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts12 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°
RealFeel® 93°
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 34%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™91°

Heat Index94°

WindSE 9 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts12 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 91°
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 34%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

RealFeel Shade™91°

Heat Index93°

WindSSW 8 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts13 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
RealFeel® 88°
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 34%
Chevron down
Mostly cloudy
alerts

Extreme Heat Warning

1:00 PM Sunday - 10:00 PM Friday
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

Heat Index89°

WindS 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 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 37%
Chevron down
Mostly cloudy
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

Heat Index84°

WindS 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
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 43%
Chevron down
Mostly cloudy
alerts

Flood Watch

9:48 AM Friday - 7:00 AM Saturday

Heat Index80°

WindS 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Ottumwa

AccuWeather's hourly forecast for Ottumwa provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 92°, thunderstorms with a 51% 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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