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Tropical rainstorm brings torrential downpours and dangerous flash flooding to Louisiana Chevron right
Flash flood risk to focus on parts of central US. Get the forecast Chevron right

Lyman, SD

68°F
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Lyman

South Dakota

68°
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Lyman, SD Weather
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9 AM

67°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Showers

RealFeel Shade™63°

WindSSE 17 mph

Air QualityExcellent

Max UV Index1 (Low)

Wind Gusts21 mph

Humidity89%

Indoor Humidity87% (Humid)

Dew Point64° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility10 mi

Cloud Ceiling2500 ft

10 AM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Mostly cloudy

RealFeel Shade™68°

WindSSE 17 mph

Air QualityExcellent

Max UV Index2 (Low)

Wind Gusts21 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point66° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling3300 ft

11 AM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™72°

WindSSE 16 mph

Air QualityExcellent

Max UV Index3 (Moderate)

Wind Gusts21 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4100 ft

12 PM

77°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Intermittent clouds

RealFeel Shade™76°

WindS 15 mph

Air QualityExcellent

Max UV Index4 (Moderate)

Wind Gusts20 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4900 ft

1 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 25%
Chevron down
Intermittent clouds

RealFeel Shade™79°

WindS 14 mph

Air QualityFair

Max UV Index6 (High)

Wind Gusts16 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling13300 ft

2 PM

82°
RealFeel® 86°
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 8%
Chevron down
Cloudy

RealFeel Shade™82°

WindS 12 mph

Air QualityFair

Max UV Index4 (Moderate)

Wind Gusts14 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling21600 ft

3 PM

84°
RealFeel® 87°
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 8%
Chevron down
Cloudy

RealFeel Shade™84°

WindNW 12 mph

Air QualityFair

Max UV Index4 (Moderate)

Wind Gusts14 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 89°
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 8%
Chevron down
Cloudy

RealFeel Shade™86°

WindN 12 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts14 mph

Humidity55%

Indoor Humidity55% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
RealFeel® 86°
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 8%
Chevron down
Cloudy

RealFeel Shade™85°

WindN 13 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts15 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 85°
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 8%
Chevron down
Cloudy

RealFeel Shade™84°

WindNNE 15 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts21 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
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 6%
Chevron down
Cloudy

RealFeel Shade™83°

WindNNE 16 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts27 mph

Humidity62%

Indoor Humidity62% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindNNE 12 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity67%

Indoor Humidity67% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

77°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny

RealFeel Shade™78°

WindNE 9 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover40%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

75°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Partly cloudy

WindNE 8 mph

Air QualityFair

Wind Gusts14 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 2%
Chevron down
Partly cloudy

WindNE 8 mph

Air QualityExcellent

Wind Gusts14 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States South Dakota Lyman

Weather Near Lyman:

  • Aberdeen, SD
  • Pierre, SD
  • Sioux Falls, SD
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