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Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast.

4th of July forecast: Where will storms disrupt outdoor plans?

Jamestown, AR

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Jamestown, AR Weather

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2 PM

93°

RealFeel® 109°

Dangerous Heat

RealFeel Guide

Dangerous Heat

108° to 115°

Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.

47%

Mostly sunny

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™99°

Heat Index103°

WindSSE 7 mph

Air QualityFair

Max UV Index10.5 (Extreme)

Wind Gusts12 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling33300 ft

3 PM

91°

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.

51%

Mostly cloudy w/ t-storms

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™97°

Heat Index104°

WindSE 7 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts13 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

4 PM

91°

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.

47%

Intermittent clouds

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™98°

Heat Index103°

WindSE 8 mph

Air QualityFair

Max UV Index4.7 (Moderate)

Wind Gusts15 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°

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.

19%

Intermittent clouds

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™97°

Heat Index101°

WindSE 8 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts13 mph

Humidity62%

Indoor Humidity62% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°

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.

19%

Intermittent clouds

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™96°

Heat Index100°

WindSE 7 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts12 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover73%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°

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.

15%

Intermittent clouds

Extreme Heat Warning

12:00 PM Thursday - 8:00 PM Thursday

RealFeel Shade™95°

Heat Index99°

WindSE 6 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts10 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°

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.

7%

Partly sunny

Extreme Heat Watch

8:00 PM Thursday - 8:00 PM Friday

RealFeel Shade™97°

Heat Index97°

WindSE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts8 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°

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.

7%

Mostly clear

Extreme Heat Watch

8:00 PM Thursday - 8:00 PM Friday

Heat Index92°

WindSSE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°

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.

7%

Mostly clear

Extreme Heat Watch

8:00 PM Thursday - 8:00 PM Friday

Heat Index88°

WindSSE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°

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.

7%

Clear

Extreme Heat Watch

8:00 PM Thursday - 8:00 PM Friday

Heat Index86°

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity88%

Indoor Humidity88% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover9%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Jamestown

AccuWeather's hourly forecast for Jamestown provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 93° with a RealFeel® of 109°, mostly sunny with a 47% 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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