Mason, South Dakota
Current Conditions -  °F | °C
As of 3:35 PM on Friday 19 Sep 2014 (Local Time) from KSPF Reporting Station
Clear Clear  
Wind Chill: 77°   Ceiling: Unl
Heat Index: 78°   Visibility: 10mi
Dew Point: 48°   Wind: 13mph
Humidity: 36%   Direction: 320°NW
Pressure: 29.89"   Gusts: 22mph
Location:  44.9293°N, 103.753°W
Report Text: KSPF 192135Z AUTO 32011G19KT 10SM CLR 25/09 A2989 RMK AO2
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 81° - Lo 58°
5 PM
Sunny
Sunny
82°
6 PM
M Sunny
M Sunny
81°
7 PM
P Cloudy
P Cloudy
78°
8 PM
P Cloudy
P Cloudy
73°
9 PM
M Clear
M Clear
70°
10 PM
M Clear
M Clear
67°
Weather Maps
Daily Forecast -  °F | °C
fri sat sun mon tue wed thu fri sat sun
sep
19
P Cloudy
P Cloudy
81°
58°
sep
20
Sunny/Wind
Sunny/Wind
78°
49°
sep
21
Sunny
Sunny
75°
54°
sep
22
Iso T-Storms
Iso T-Storms
78°
57°
sep
23
P Cloudy
P Cloudy
74°
57°
sep
24
Sunny
Sunny
83°
58°
sep
25
Sunny
Sunny
87°
61°
sep
26
Sunny
Sunny
85°
60°
sep
27
M Sunny
M Sunny
78°
56°
sep
28
P Cloudy
P Cloudy
70°
52°
Details for Friday, September 19
Plentiful sunshine. High 81F. Winds WNW at 10 to 20 mph.
Evening: Partly cloudy. Low 58F. Winds WNW at 10 to 15 mph.
UV Index: 2 (Low)
Ultraviolet Radiation Index
Relative Humidity: 29%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 6:38 AM
Sunset: 6:57 PM
 
Moonrise: 2:17 AM
Moonset: 4:34 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (289°)
Speed: 12Mph(20Km, 14Kts)
Details for Saturday, September 20
Sunny skies with gusty winds developing later in the day. High 78F. Winds WNW at 20 to 30 mph.
Evening: Clear skies. Low 49F. Winds NW at 10 to 20 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 41%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 3%
Cloud Coverage
Sunrise: 6:39 AM
Sunset: 6:55 PM
 
Moonrise: 3:14 AM
Moonset: 5:06 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (299°)
Speed: 21Mph(34Km, 24Kts)
Details for Sunday, September 21
Mainly sunny. Highs in the mid 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 35%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 6:53 PM
 
Moonrise: 4:12 AM
Moonset: 5:34 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (99°)
Speed: 11Mph(17Km, 12Kts)
Details for Monday, September 22
Isolated thunderstorms. Highs in the upper 70s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 54%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 45%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 6:51 PM
 
Moonrise: 5:10 AM
Moonset: 6:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (126°)
Speed: 13Mph(21Km, 15Kts)
Details for Tuesday, September 23
Mix of sun and clouds. Highs in the mid 70s and lows in the upper 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 58%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 6:50 PM
 
Moonrise: 6:09 AM
Moonset: 6:29 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  E
Direction: E (95°)
Speed: 8Mph(13Km, 9Kts)
Details for Wednesday, September 24
Abundant sunshine. Highs in the low 80s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 6%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 6:48 PM
 
Moonrise: 7:09 AM
Moonset: 6:57 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  NNW
Direction: NNW (345°)
Speed: 7Mph(11Km, 8Kts)
Details for Thursday, September 25
Mainly sunny. Highs in the upper 80s and lows in the low 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 44%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 6:46 PM
 
Moonrise: 8:09 AM
Moonset: 7:26 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SE
Direction: SE (130°)
Speed: 15Mph(24Km, 17Kts)
Details for Friday, September 26
Mainly sunny. Highs in the mid 80s and lows in the low 60s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 2%
Cloud Coverage
Sunrise: 6:46 AM
Sunset: 6:44 PM
 
Moonrise: 9:11 AM
Moonset: 7:58 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (175°)
Speed: 12Mph(20Km, 14Kts)
Details for Saturday, September 27
Plenty of sun. Highs in the upper 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 52%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 18%
Cloud Coverage
Sunrise: 6:47 AM
Sunset: 6:42 PM
 
Moonrise: 10:13 AM
Moonset: 8:34 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (186°)
Speed: 16Mph(26Km, 18Kts)
Details for Sunday, September 28
Times of sun and clouds. Highs in the low 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 37%
Cloud Coverage
Sunrise: 6:48 AM
Sunset: 6:40 PM
 
Moonrise: 11:15 AM
Moonset: 9:16 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  NNW
Direction: NNW (331°)
Speed: 13Mph(21Km, 15Kts)
Daily Forecast Chart
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