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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right

Jefferson, IA

93°F
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Jefferson

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Jefferson, IA Weather
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3 PM

93°
RealFeel® 104°
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 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™98°

Heat Index107°

WindS 18 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts39 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover35%

Visibility10 mi

Cloud Ceiling33300 ft

4 PM

93°
RealFeel® 103°
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 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™99°

Heat Index107°

WindS 18 mph

Air QualityPoor

Max UV Index4.9 (Moderate)

Wind Gusts45 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

92°
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.
LEARN MORE
rain drop 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™98°

Heat Index106°

WindS 18 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts44 mph

Humidity61%

Indoor Humidity61% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°
RealFeel® 99°
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 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™97°

Heat Index104°

WindS 17 mph

Air QualityPoor

Max UV Index2.2 (Low)

Wind Gusts43 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

90°
RealFeel® 97°
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 6%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™96°

Heat Index102°

WindS 16 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts40 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

87°
RealFeel® 94°
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 7%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

RealFeel Shade™94°

Heat Index98°

WindSSW 16 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts35 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 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 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index95°

WindSSW 15 mph

Air QualityPoor

Wind Gusts29 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 90°
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 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index92°

WindSSW 14 mph

Air QualityPoor

Wind Gusts22 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

81°
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 7%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

1:00 PM Sunday - 9:00 PM Tuesday

Heat Index88°

WindSSW 13 mph

Air QualityPoor

Wind Gusts20 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Jefferson

AccuWeather's hourly forecast for Jefferson provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 93° with a RealFeel® of 104°, partly sunny with a 6% 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 Jefferson:

  • Ames, IA
  • Des Moines, IA
  • West Des Moines, IA
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