August 17 - September 30

Sun 8/17

Intervals of clouds and sunshine with a couple of thunderstorms, heaviest late; very humid; thunderstorms can bring hail and damaging winds

RealFeel®97°

RealFeel Shade™92°

Max UV Index5.0 (Moderate)

WindSSE 12 mph

Mon 8/18

89° /68°

80%

Mostly sunny and very humid with a thunderstorm; thunderstorms can bring localized damaging wind gusts

RealFeel®101°

RealFeel Shade™96°

Max UV Index8.0 (Very High)

WindNNW 6 mph

Tue 8/19

85° /62°

55%

Humid with periods of clouds and sunshine; an afternoon thunderstorm

RealFeel®96°

RealFeel Shade™89°

Max UV Index8.0 (Very High)

WindE 7 mph

Wed 8/20

84° /62°

Partly to mostly sunny and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index7.0 (High)

WindE 6 mph

Thu 8/21

87° /65°

Humid with plenty of sun

RealFeel®89°

RealFeel Shade™87°

Max UV Index7.0 (High)

WindSSE 9 mph

Fri 8/22

82° /59°

25%

Partly sunny and humid

RealFeel®84°

RealFeel Shade™81°

Max UV Index5.0 (Moderate)

WindNNW 9 mph

Sat 8/23

77° /52°

Less humid with clouds to start, then sunshine returns

RealFeel®78°

RealFeel Shade™74°

Max UV Index7.0 (High)

WindNNW 8 mph

Sun 8/24

76° /56°

Plenty of sunshine

RealFeel®79°

RealFeel Shade™74°

Max UV Index7.0 (High)

WindENE 7 mph

Mon 8/25

77° /58°

Partly sunny

RealFeel®77°

RealFeel Shade™73°

Max UV Index4.0 (Moderate)

WindSE 10 mph

Tue 8/26

78° /61°

Mostly cloudy in the morning followed by sun through high clouds in the afternoon

RealFeel®76°

RealFeel Shade™74°

Max UV Index4.0 (Moderate)

WindSSE 10 mph

Wed 8/27

80° /62°

14%

Clouds and sun

RealFeel®80°

RealFeel Shade™77°

Max UV Index5.0 (Moderate)

WindSE 8 mph

Thu 8/28

86° /62°

55%

Partly sunny with a thunderstorm in spots in the afternoon

RealFeel®87°

RealFeel Shade™83°

Max UV Index7.0 (High)

WindSE 7 mph

Fri 8/29

85° /61°

72%

Partly sunny with a couple of thunderstorms in the afternoon

RealFeel®89°

RealFeel Shade™83°

Max UV Index7.0 (High)

WindSE 5 mph

Sat 8/30

78° /48°

75%

A couple of showers in the morning; otherwise, clouds to start, then sunshine returns

RealFeel®83°

RealFeel Shade™78°

Max UV Index6.0 (High)

WindS 7 mph

Sun 8/31

86° /64°

20%

Mostly sunny and humid

RealFeel®92°

RealFeel Shade™87°

Max UV Index6.0 (High)

WindESE 5 mph

Mon 9/1

85° /63°

25%

A thick cloud cover

RealFeel®83°

RealFeel Shade™83°

Max UV Index2.0 (Low)

WindNNE 8 mph

Tue 9/2

76° /64°

65%

Mostly cloudy and not as warm but humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®81°

RealFeel Shade™81°

Max UV Index4.0 (Moderate)

WindS 4 mph

Wed 9/3

83° /64°

25%

Humid with times of clouds and sun

RealFeel®87°

RealFeel Shade™85°

Max UV Index3.0 (Moderate)

WindNNE 4 mph

Thu 9/4

84° /62°

25%

Humid with clouds yielding to sun

RealFeel®89°

RealFeel Shade™85°

Max UV Index6.0 (High)

WindSSE 4 mph

Fri 9/5

85° /63°

25%

Humid with sun and clouds

RealFeel®86°

RealFeel Shade™86°

Max UV Index3.0 (Moderate)

WindSSE 8 mph

Sat 9/6

84° /64°

10%

Mostly sunny and humid

RealFeel®87°

RealFeel Shade™85°

Max UV Index6.0 (High)

WindSSE 14 mph

Sun 9/7

86° /62°

25%

Humid with times of sun and clouds

RealFeel®86°

RealFeel Shade™84°

Max UV Index3.0 (Moderate)

WindN 9 mph

Mon 9/8

84° /61°

20%

Sunny and less humid

RealFeel®86°

RealFeel Shade™81°

Max UV Index6.0 (High)

WindSE 6 mph

Tue 9/9

84° /61°

Plenty of sunshine

RealFeel®83°

RealFeel Shade™81°

Max UV Index6.0 (High)

WindNW 9 mph

Wed 9/10

82° /59°

20%

Plenty of sun

RealFeel®84°

RealFeel Shade™80°

Max UV Index5.0 (Moderate)

WindE 6 mph

Thu 9/11

81° /61°

56%

A little rain in the morning; otherwise, considerable cloudiness

RealFeel®80°

RealFeel Shade™80°

Max UV Index2.0 (Low)

WindSE 8 mph

Fri 9/12

77° /61°

65%

Cloudy and humid with showers and thunderstorms

RealFeel®78°

RealFeel Shade™78°

Max UV Index2.0 (Low)

WindE 9 mph

Sat 9/13

85° /60°

Partly sunny and humid

RealFeel®94°

RealFeel Shade™90°

Max UV Index5.0 (Moderate)

WindSSE 4 mph

Sun 9/14

84° /56°

39%

Humid with times of clouds and sun; a thunderstorm in spots in the afternoon

RealFeel®85°

RealFeel Shade™83°

Max UV Index5.0 (Moderate)

WindSSE 13 mph

Mon 9/15

69° /49°

Mostly sunny

RealFeel®71°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindNW 5 mph

Tue 9/16

71° /49°

Mostly sunny

RealFeel®68°

RealFeel Shade™67°

Max UV Index5.0 (Moderate)

WindS 14 mph

Wed 9/17

70° /46°

Sun and areas of high clouds in the morning; mostly cloudy in the afternoon

RealFeel®69°

RealFeel Shade™68°

Max UV Index4.0 (Moderate)

WindSSE 6 mph

Thu 9/18

69° /52°

Intervals of clouds and sun

RealFeel®70°

RealFeel Shade™68°

Max UV Index5.0 (Moderate)

WindENE 6 mph

Fri 9/19

72° /56°

Partial sunshine

RealFeel®74°

RealFeel Shade™74°

Max UV Index5.0 (Moderate)

WindW 5 mph

Sat 9/20

80° /56°

25%

Intervals of clouds and sunshine

RealFeel®79°

RealFeel Shade™79°

Max UV Index4.0 (Moderate)

WindS 10 mph

Sun 9/21

82° /60°

Partly sunny

RealFeel®81°

RealFeel Shade™80°

Max UV Index5.0 (Moderate)

WindNE 6 mph

Mon 9/22

67° /50°

17%

Mostly cloudy and cooler

RealFeel®65°

RealFeel Shade™65°

Max UV Index2.0 (Low)

WindNNE 9 mph

Tue 9/23

73° /42°

64%

Cloudy; a little rain in the morning followed by a couple of thunderstorms in the afternoon

RealFeel®70°

RealFeel Shade™70°

Max UV Index1.0 (Low)

WindSE 15 mph

Wed 9/24

72° /41°

25%

Mostly cloudy

RealFeel®71°

RealFeel Shade™71°

Max UV Index2.0 (Low)

WindNNW 13 mph

Thu 9/25

65° /38°

59%

Some sun, then turning cloudy; a morning shower in spots followed by a little rain in the afternoon

RealFeel®63°

RealFeel Shade™63°

Max UV Index4.0 (Moderate)

WindE 9 mph

Fri 9/26

81° /46°

25%

Mostly sunny

RealFeel®80°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindS 12 mph

Sat 9/27

79° /55°

Partly sunny

RealFeel®79°

RealFeel Shade™78°

Max UV Index4.0 (Moderate)

WindN 5 mph

Sun 9/28

73° /53°

Mostly sunny

RealFeel®71°

RealFeel Shade™70°

Max UV Index4.0 (Moderate)

WindESE 8 mph

Mon 9/29

68° /45°

Partial sunshine

RealFeel®68°

RealFeel Shade™66°

Max UV Index4.0 (Moderate)

WindSE 7 mph

Tue 9/30

68° /50°

Periods of clouds and sunshine

RealFeel®68°

RealFeel Shade™67°

Max UV Index4.0 (Moderate)

WindSSE 9 mph

Yankton, SD

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Daily

Sun 8/17

Mon 8/18

Tue 8/19

Wed 8/20

Thu 8/21

Fri 8/22

Sat 8/23

Sun 8/24

Mon 8/25

Tue 8/26

Wed 8/27

Thu 8/28

Fri 8/29

Sat 8/30

Sun 8/31

Mon 9/1

Tue 9/2

Wed 9/3

Thu 9/4

Fri 9/5

Sat 9/6

Sun 9/7

Mon 9/8

Tue 9/9

Wed 9/10

Thu 9/11

Fri 9/12

Sat 9/13

Sun 9/14

Mon 9/15

Tue 9/16

Wed 9/17

Thu 9/18

Fri 9/19

Sat 9/20

Sun 9/21

Mon 9/22

Tue 9/23

Wed 9/24

Thu 9/25

Fri 9/26

Sat 9/27

Sun 9/28

Mon 9/29

Tue 9/30

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Weather Near Yankton: