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Sioux Falls, SD

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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, August 18

Current Weather

1:40 PM

80°F
Mostly sunny
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
RealFeel Shade™ 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
RealFeel®
94°
RealFeel Shade™
86°
Max UV Index
4.9 (Moderate)
Wind
0 mph
Wind Gusts
4 mph
Humidity
68%
Indoor Humidity
68% (Very Humid)
Dew Point
69° F
Pressure
↓ 29.98 in
Cloud Cover
30%
Visibility
10 mi
Cloud Ceiling
20000 ft

Day

8/18
88°Hi
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.
LEARN MORE
RealFeel Shade™ 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
Humid with clouds and breaks of sun; an afternoon thunderstorm in parts of the area

Max UV Index7.0 (High)

AccuLumen Brightness Index™7 (Bright)

WindNW 6 mph

Wind Gusts10 mph

Probability of Precipitation55%

Probability of Thunderstorms50%

Precipitation0.05 in

Rain0.05 in

Hours of Precipitation0.5

Hours of Rain0.5

Cloud Cover44%

Morning

Afternoon

Night

8/18
67°Lo
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Partly cloudy and humid

WindNE 6 mph

Wind Gusts10 mph

Probability of Precipitation2%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover46%

Evening

Overnight

Sun & Moon

13 hrs 51 mins
Rise 6:35 AM
Set 8:26 PM
Waning Crescent
Rise 1:02 AM
Set 5:50 PM

Temperature History

8/18
High
Low
Forecast
88°
67°
Average
83°
61°
Last Year
83°
58°
Record
101°
1983
44°
2002

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