• Tonight

    Dec 27

    Lo -29°

    Mostly cloudy and very cold

    Migraine Headache Weather
    • Hi
      RealFeel
      -15°
    • UV
      1 - Low
    • Cloud
      Cover
      93%
    more
  • Sun

    Dec 28

    -20°Lo -32°

    Partly sunny and colder

    At Risk weather for migraines
    • Hi
      RealFeel
      -22°
    • UV
      1 - Low
    • Cloud
      Cover
      32%
  • Mon

    Dec 29

    -22°Lo -30°

    Very cold with plenty of sun

    At Risk weather for migraines
    • Hi
      RealFeel
      -30°
    • UV
      1 - Low
    • Cloud
      Cover
      3%
    more
  • Tue

    Dec 30

    -20°Lo -23°

    Sunny to partly cloudy

    At Risk weather for migraines
    • Hi
      RealFeel
      -38°
    • UV
      1 - Low
    • Cloud
      Cover
      19%
    more
  • Wed

    Dec 31

    -12°Lo -20°

    Mostly cloudy and not as cold

    At High Risk weather for migraines
    • Hi
      RealFeel
      -26°
    • UV
      1 - Low
    • Cloud
      Cover
      83%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) -28° -28° -29° -29° -29° -29° -28° -26°
RealFeel® -30° -31° -31° -32° -31° -31° -29° -26°
Humidity 87% 87% 90% 87% 86% 90% 91% 91%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (km/h) 9 N 9 N 9 NNW 9 NNW 7 NNW 7 NNW 7 NNW 9 NW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 76% 76% 76% 26% 26% 26% 26% 26%
Dew Point -29° -30° -30° -31° -31° -30° -29° -27°
Middle Grid line -20 C Middle Grid line -25 C

Temperature History - Dec 28

more Historical Weather Data >
  Today Normal Record 12/28/2013
High -20° -10° N/A -13°
Low -32° -20° N/A -29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 8:39 AM with 8:06 of sunlight, then sets at 4:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:20 PM with 13:09 of moolight, then sets at 1:29 AM

Rapid City Weather Report

Arctic Air Aims West and Long Range Update

December 27, 2014; 9:54 AM ET

Arctic air will pay a brief visit to southwestern Canada early this coming week. more >