July 19 - September 1

Sat 7/19

Partly to mostly cloudy and humid with a couple of heavy thunderstorms; thunderstorms could bring damaging winds, flash flooding and hail

RealFeel®65°

Cloud Cover87%

WindNE 8 mph

Wind Gusts16 mph

Sun 7/20

84° /71°

25%

Humid with some sun, then turning cloudy

RealFeel®92°

RealFeel Shade™90°

Max UV Index4 (Moderate)

WindENE 8 mph

Mon 7/21

89° /71°

25%

Uncomfortably humid with sun and some clouds

RealFeel®101°

RealFeel Shade™97°

Max UV Index10 (Very High)

WindSE 10 mph

Tue 7/22

93° /73°

77%

A heavy thunderstorm around in the morning; otherwise, mostly sunny, very warm and very humid

RealFeel®104°

RealFeel Shade™99°

Max UV Index10 (Very High)

WindSSE 12 mph

Wed 7/23

91° /69°

88%

Partly sunny and humid with a thunderstorm or two

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindSSW 12 mph

Thu 7/24

85° /67°

55%

Cloudy and humid; watch for a strong afternoon thunderstorm

RealFeel®94°

RealFeel Shade™91°

Max UV Index4 (Moderate)

WindW 4 mph

Fri 7/25

88° /66°

Uncomfortably humid with times of clouds and sun

RealFeel®101°

RealFeel Shade™96°

Max UV Index9 (Very High)

WindNE 5 mph

Sat 7/26

91° /67°

40%

A thunderstorm in spots in the morning; otherwise, mostly cloudy, very warm and humid

RealFeel®99°

RealFeel Shade™94°

Max UV Index3 (Moderate)

WindENE 2 mph

Sun 7/27

93° /69°

Mostly sunny and very warm

RealFeel®96°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindSSE 7 mph

Mon 7/28

92° /69°

Remaining very warm and humid with plenty of sunshine

RealFeel®108°

RealFeel Shade™100°

Max UV Index9 (Very High)

WindSE 6 mph

Tue 7/29

88° /68°

Mostly sunny

RealFeel®96°

RealFeel Shade™92°

Max UV Index9 (Very High)

WindN 4 mph

Wed 7/30

91° /67°

40%

A morning shower in places; otherwise, mostly sunny and humid

RealFeel®100°

RealFeel Shade™94°

Max UV Index9 (Very High)

WindSSE 8 mph

Thu 7/31

86° /66°

Mostly sunny and humid

RealFeel®99°

RealFeel Shade™93°

Max UV Index9 (Very High)

WindNNW 5 mph

Fri 8/1

87° /63°

25%

Cloudy and less humid

RealFeel®86°

RealFeel Shade™86°

Max UV Index2 (Low)

WindN 6 mph

Sat 8/2

80° /65°

25%

Mostly cloudy and not as warm

RealFeel®80°

RealFeel Shade™78°

Max UV Index5 (Moderate)

WindN 9 mph

Sun 8/3

81° /63°

20%

Mostly sunny

RealFeel®89°

RealFeel Shade™80°

Max UV Index9 (Very High)

WindNNE 4 mph

Mon 8/4

80° /67°

25%

Partly sunny

RealFeel®81°

RealFeel Shade™79°

Max UV Index9 (Very High)

WindS 9 mph

Tue 8/5

85° /65°

10%

Mostly sunny

RealFeel®94°

RealFeel Shade™85°

Max UV Index9 (Very High)

WindN 2 mph

Wed 8/6

84° /66°

25%

Times of clouds and sun

RealFeel®83°

RealFeel Shade™83°

Max UV Index5 (Moderate)

WindESE 7 mph

Thu 8/7

84° /67°

65%

Humid with clouds and sunshine; a couple of afternoon showers and a thunderstorm

RealFeel®94°

RealFeel Shade™86°

Max UV Index9 (Very High)

WindNE 5 mph

Fri 8/8

81° /65°

25%

Partly sunny and humid

RealFeel®91°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindN 4 mph

Sat 8/9

81° /66°

25%

Mostly sunny

RealFeel®87°

RealFeel Shade™82°

Max UV Index8 (Very High)

WindSE 6 mph

Sun 8/10

84° /67°

20%

Humid with partial sunshine

RealFeel®88°

RealFeel Shade™84°

Max UV Index8 (Very High)

WindSSE 8 mph

Mon 8/11

86° /67°

25%

Mostly cloudy

RealFeel®86°

RealFeel Shade™83°

Max UV Index3 (Moderate)

WindS 10 mph

Tue 8/12

86° /66°

58%

A thick cloud cover and humid with a couple of showers and a thunderstorm

RealFeel®90°

RealFeel Shade™90°

Max UV Index2 (Low)

WindNE 2 mph

Wed 8/13

80° /58°

69%

Considerable cloudiness and not as warm but humid; morning rain followed by a couple of showers and a thunderstorm in the afternoon

RealFeel®80°

RealFeel Shade™79°

Max UV Index2 (Low)

WindNE 8 mph

Thu 8/14

76° /57°

20%

Partly sunny and less humid

RealFeel®77°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindNW 10 mph

Fri 8/15

76° /57°

25%

Times of clouds and sun

RealFeel®76°

RealFeel Shade™76°

Max UV Index4 (Moderate)

WindE 2 mph

Sat 8/16

77° /58°

55%

A morning thundershower; otherwise, times of clouds and sun

RealFeel®81°

RealFeel Shade™75°

Max UV Index8 (Very High)

WindSSE 5 mph

Sun 8/17

76° /57°

10%

Mostly sunny

RealFeel®80°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindESE 7 mph

Mon 8/18

77° /58°

20%

Mostly sunny

RealFeel®79°

RealFeel Shade™74°

Max UV Index8 (Very High)

WindSE 8 mph

Tue 8/19

78° /65°

56%

A couple of showers in the morning; otherwise, cloudy and humid

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindSSE 12 mph

Wed 8/20

78° /65°

63%

Mostly cloudy and humid; a couple of showers in the afternoon

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindW 6 mph

Thu 8/21

80° /64°

74%

Cloudy and humid; a passing morning shower followed by rain in the afternoon

RealFeel®77°

RealFeel Shade™77°

Max UV Index2 (Low)

WindNE 8 mph

Fri 8/22

77° /65°

56%

A touch of morning rain; otherwise, humid with considerable cloudiness

RealFeel®79°

RealFeel Shade™79°

Max UV Index2 (Low)

WindSE 9 mph

Sat 8/23

81° /65°

70%

Humid with considerable cloudiness; showers and thunderstorms in the afternoon

RealFeel®82°

RealFeel Shade™82°

Max UV Index2 (Low)

WindS 13 mph

Sun 8/24

80° /64°

25%

Humid with sun followed by increasing clouds

RealFeel®81°

RealFeel Shade™81°

Max UV Index5 (Moderate)

WindNNW 7 mph

Mon 8/25

79° /64°

25%

Mostly cloudy and humid

RealFeel®82°

RealFeel Shade™79°

Max UV Index3 (Moderate)

WindESE 5 mph

Tue 8/26

78° /65°

25%

Mostly cloudy and humid

RealFeel®81°

RealFeel Shade™81°

Max UV Index4 (Moderate)

WindSSE 14 mph

Wed 8/27

85° /63°

20%

Less humid with plenty of sunshine

RealFeel®85°

RealFeel Shade™82°

Max UV Index7 (High)

WindNW 9 mph

Thu 8/28

77° /62°

20%

Mostly sunny

RealFeel®81°

RealFeel Shade™75°

Max UV Index7 (High)

WindS 6 mph

Fri 8/29

81° /64°

25%

Humid with times of sun and clouds

RealFeel®85°

RealFeel Shade™85°

Max UV Index3 (Moderate)

WindSSE 10 mph

Sat 8/30

85° /65°

10%

Humid with sunshine and a few clouds

RealFeel®87°

RealFeel Shade™86°

Max UV Index7 (High)

WindSSE 14 mph

Sun 8/31

86° /65°

Humid with plenty of sun

RealFeel®88°

RealFeel Shade™88°

Max UV Index6 (High)

WindS 13 mph

Mon 9/1

89° /61°

Sunny and less humid

RealFeel®88°

RealFeel Shade™86°

Max UV Index6 (High)

WindSSE 16 mph

Jefferson, SD

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