• Today

    Aug 1

    88°Lo 65°

    A strong afternoon t-storm

    Poor for home energy
    • Avg
      RealFeel
      78°
    • Hi
      RealFeel
      92°
    • Wind
      Speed
      12 mph
    more
  • Sun

    Aug 2

    90°Lo 59°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      75°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      12 mph
  • Mon

    Aug 3

    82°Lo 62°

    Times of clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Aug 4

    81°Lo 60°

    Partly sunny and humid

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      12 mph
    more
  • Wed

    Aug 5

    79°Lo 62°

    Pleasant with clouds and sun

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      12 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Partly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 65° 69° 74° 79° 83° 85° 88° 88°
RealFeel® 64° 69° 75° 82° 86° 88° 90° 90°
Humidity 86% 80% 71% 62% 55% 46% 38% 38%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
13%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 7 WSW 8 W 10 W 12 WNW 13 WNW 13 NW 14 NW 13 NNW
UV Index 0 1 3 4 6 7 7 7
Cloud Cover 46% 0% 0% 0% 0% 0% 0% 0%
Dew Point 61° 63° 64° 65° 65° 63° 59° 59°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 90° 87° N/A 82°
Low 59° 62° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 14:27 of sunlight, then sets at 8:49 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:11 PM with 12:06 of moolight, then sets at 10:17 AM

Yankton Weather Report

US Forest Service Firefighter Dies at California Wildfire

August 1, 2015; 9:13 AM ET

David "Dave" Ruhl of Rapid City, South Dakota, was found Friday morning after search and rescue efforts were conducted, the U.S. Forest Service said. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index