Bison, South Dakota
Current Conditions -  °F | °C
As of 5:53 PM on Saturday 20 Sep 2014 (Local Time) from KHEI Reporting Station
Clear Clear  
Wind Chill: 68°   Ceiling: Unl
Heat Index: 68°   Visibility: 10mi
Dew Point: 34°   Wind: 20mph
Humidity: 28%   Direction: 310°NW
Pressure: 30.13"   Gusts: 28mph
Location:  45.52°N, 102.46°W
Report Text: KHEI 202353Z AUTO 31017G24KT 10SM CLR 20/01 A3013 RMK AO2 PK WND 33030/2302 SLP198 T02000011 10233 20200 53011
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 71° - Lo 44°
7 PM
Clear
Clear
63°
8 PM
Clear
Clear
59°
9 PM
Clear
Clear
56°
10 PM
Clear
Clear
54°
11 PM
Clear
Clear
53°
12 AM
Clear
Clear
52°
Weather Maps
Daily Forecast -  °F | °C
sat sun mon tue wed thu fri sat sun mon
sep
20
Clear
Clear
71°
44°
sep
21
Sunny
Sunny
70°
47°
sep
22
M Sunny
M Sunny
77°
53°
sep
23
Sct T-Storms
Sct T-Storms
74°
52°
sep
24
Sunny
Sunny
81°
57°
sep
25
Sunny
Sunny
83°
57°
sep
26
Sunny/Wind
Sunny/Wind
81°
58°
sep
27
P Cldy/Wind
P Cldy/Wind
78°
56°
sep
28
P Cloudy
P Cloudy
70°
54°
sep
29
P Cloudy
P Cloudy
68°
52°
Details for Saturday, September 20 (Evening)
Evening: Clear skies. Low 44F. Winds NW at 10 to 15 mph.
UV Index: 0 (Low)
Ultraviolet Radiation Index
Relative Humidity: 33%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:34 AM
Sunset: 6:51 PM
 
Moonrise: 3:08 AM
Moonset: 5:02 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (310°)
Speed: 12Mph(19Km, 14Kts)
Details for Sunday, September 21
Sunny. High near 70F. Winds light and variable.
Evening: Clear skies. Low 47F. Winds SSE at 10 to 15 mph.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 42%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 6:49 PM
 
Moonrise: 4:06 AM
Moonset: 5:30 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (355°)
Speed: 6Mph(9Km, 6Kts)
Details for Monday, September 22
Mostly sunny. Highs in the upper 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 46%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 8%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 6:47 PM
 
Moonrise: 5:05 AM
Moonset: 5:57 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (145°)
Speed: 19Mph(31Km, 22Kts)
Details for Tuesday, September 23
Scattered thunderstorms. Highs in the mid 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 34%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 6:45 PM
 
Moonrise: 6:04 AM
Moonset: 6:24 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SE
Direction: SE (135°)
Speed: 10Mph(17Km, 12Kts)
Details for Wednesday, September 24
Sunshine. Highs in the low 80s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 6:39 AM
Sunset: 6:43 PM
 
Moonrise: 7:04 AM
Moonset: 6:51 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  WSW
Direction: WSW (240°)
Speed: 7Mph(11Km, 8Kts)
Details for Thursday, September 25
Sunny. Highs in the low 80s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 1%
Cloud Coverage
Sunrise: 6:40 AM
Sunset: 6:41 PM
 
Moonrise: 8:05 AM
Moonset: 7:20 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (149°)
Speed: 17Mph(27Km, 19Kts)
Details for Friday, September 26
Windy with sunshine. Highs in the low 80s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 10%
Cloud Coverage
Sunrise: 6:41 AM
Sunset: 6:39 PM
 
Moonrise: 9:07 AM
Moonset: 7:52 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (151°)
Speed: 21Mph(34Km, 25Kts)
Details for Saturday, September 27
Partly cloudy and windy. Highs in the upper 70s and lows in the mid 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 64%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 17%
Cloud Coverage
Sunrise: 6:42 AM
Sunset: 6:37 PM
 
Moonrise: 10:10 AM
Moonset: 8:27 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (158°)
Speed: 22Mph(35Km, 25Kts)
Details for Sunday, September 28
Partly cloudy. Highs in the low 70s and lows in the mid 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 30%
Cloud Coverage
Sunrise: 6:44 AM
Sunset: 6:35 PM
 
Moonrise: 11:12 AM
Moonset: 9:08 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  W
Direction: W (278°)
Speed: 19Mph(30Km, 22Kts)
Details for Monday, September 29
Partly cloudy. Highs in the upper 60s and lows in the low 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 63%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 33%
Cloud Coverage
Sunrise: 6:45 AM
Sunset: 6:33 PM
 
Moonrise: 12:12 PM
Moonset: 9:56 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (203°)
Speed: 17Mph(28Km, 20Kts)
Daily Forecast Chart
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