• Today

    Dec 18

    -10°Lo -15°

    Sunshine

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      1 - Low
  • Fri

    Dec 19

    -6°Lo -13°

    Freezing fog in the morning

    Beneficial weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      1 - Low
    more
  • Sat

    Dec 20

    -6°Lo -12°

    Mostly cloudy

    Beneficial weather for arthritis pain
    • Snow
      0 mm
    • Hours of Precip
      0.5
    • UV
      0 - Low
    more
  • Sun

    Dec 21

    -4°Lo -10°

    Mostly sunny

    At Risk weather for arthritis pain
    • Rain
      0 mm
    • Hours of Precip
      0
    • UV
      1 - Low
    more
  • Mon

    Dec 22

    -4°Lo -13°

    Partly sunny, snow showers

    Neutral weather for arthritis pain
    • Snow
      1 mm
    • Hours of Precip
      2
    • UV
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Sunny
Sunny
Sunny
Temp (°C) -17° -16° -15° -13° -12° -10° -10° -10°
RealFeel® -20° -19° -17° -15° -14° -12° -12° -13°
Humidity 86% 81% 82% 77% 75% 69% 69% 73%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
1%
 
4%
 
4%
 
4%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (km/h) 9 ESE 9 ESE 9 ESE 9 SE 9 SE 9 SSE 9 SSE 9 SSE
UV Index 0 0 0 1 1 1 0 0
Cloud Cover 33% 26% 21% 15% 10% 4% 0% 0%
Dew Point -18° -18° -17° -16° -15° -15° -14° -14°
Middle Grid line -5 C Middle Grid line -10 C Middle Grid line -15 C

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High -10° -10° N/A -9°
Low -15° -20° N/A -28°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 8:35 AM with 8:04 of sunlight, then sets at 4:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:32 AM with 10:04 of moolight, then sets at 2:36 PM

Rapid City Weather Report

Snow, Wintry Mix in Store for Northern New England

December 18, 2014; 6:48 AM ET

The same storm system that brought snow to the Upper Midwest on Tuesday will affect part of upstate New York and northern New England into Thursday. more >