Weather Report
Bison, South Dakota
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Current Conditions -  °F | °C
As of 1:53 AM on Monday 20 May 2013 (Local Time) from KHEI Reporting Station
Haze Haze   Feels Like: 50°
Wind Chill: 50°   Ceiling: 1100
Heat Index: 50°   Visibility: 2.5mi
Dew Point: 49°   Wind: 23mph
Humidity: 96%   Direction: 340° (NNW)
Pressure: 29.56"   Gusts: 32mph
Report Text: KHEI 200753Z AUTO 34020G28KT 2 1/2SM BR FEW006 BKN011 OVC018 10/09 A2956 RMK AO2 PK WND 33030/0709 SLP009 P0005 T01000094
3 AM
Rain/Wind
Rain/Wind 50°
4 AM
Rain/Wind
Rain/Wind 48°
5 AM
Showers/Wind
Showers/Wind 48°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
sun mon tue wed thu fri sat sun mon tue
may
19
Rain/Wind
Rain/Wind
59°
47°
may
20
Rain/Wind
Rain/Wind
54°
41°
may
21
Rain
Rain
52°
41°
may
22
AM Showers
AM Showers
59°
42°
may
23
P Cloudy
P Cloudy
67°
48°
may
24
P Cldy/Wind
P Cldy/Wind
68°
52°
may
25
P Cloudy
P Cloudy
76°
53°
may
26
M Cloudy
M Cloudy
74°
53°
may
27
Showers
Showers
73°
50°
may
28
P Cloudy
P Cloudy
74°
51°
Details for Sunday, May 19 (Evening)
Evening: Cloudy and windy with periods of rain. Low 47F. Winds N at 25 to 35 mph. Chance of rain 80%. Rainfall around a quarter of an inch.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 88%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 90%
Cloud Coverage
Sunrise: 5:14 AM
Sunset: 8:19 PM
 
Moonrise: 2:09 PM
Moonset: 1:57 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  N
Direction: N (355°)
Speed: 28Mph(45Km, 24Kts)
Details for Monday, May 20
Windy with periods of rain. High 54F. Winds NNW at 20 to 30 mph. Chance of rain 80%. Rainfall around a half an inch.
Evening: Rain and wind. Low 41F. Winds NNW at 20 to 30 mph. Chance of rain 70%. Rainfall near a half an inch.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 78%
Relative Humidity
Precipitation: 80%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 90%
Cloud Coverage
Sunrise: 5:13 AM
Sunset: 8:20 PM
 
Moonrise: 3:16 PM
Moonset: 2:24 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNW
Direction: NNW (338°)
Speed: 21Mph(34Km, 18Kts)
Details for Tuesday, May 21
Mainly cloudy and rainy. Highs in the low 50s and lows in the low 40s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 70%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 89%
Cloud Coverage
Sunrise: 5:13 AM
Sunset: 8:21 PM
 
Moonrise: 4:27 PM
Moonset: 2:53 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NNW
Direction: NNW (339°)
Speed: 19Mph(31Km, 16Kts)
Details for Wednesday, May 22
A few morning showers. Highs in the upper 50s and lows in the low 40s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 71%
Cloud Coverage
Sunrise: 5:12 AM
Sunset: 8:22 PM
 
Moonrise: 5:40 PM
Moonset: 3:25 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NE
Direction: NE (42°)
Speed: 16Mph(26Km, 14Kts)
Details for Thursday, May 23
Mix of sun and clouds. Highs in the upper 60s and lows in the upper 40s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 39%
Cloud Coverage
Sunrise: 5:11 AM
Sunset: 8:23 PM
 
Moonrise: 6:54 PM
Moonset: 4:02 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  ESE
Direction: ESE (120°)
Speed: 19Mph(31Km, 16Kts)
Details for Friday, May 24
Windy with times of sun and clouds. Highs in the upper 60s and lows in the low 50s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 59%
Cloud Coverage
Sunrise: 5:10 AM
Sunset: 8:24 PM
 
Moonrise: 8:07 PM
Moonset: 4:46 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  SE
Direction: SE (128°)
Speed: 22Mph(36Km, 19Kts)
Details for Saturday, May 25
Partly cloudy. Highs in the mid 70s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 47%
Cloud Coverage
Sunrise: 5:09 AM
Sunset: 8:25 PM
 
Moonrise: 9:14 PM
Moonset: 5:39 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  SE
Direction: SE (132°)
Speed: 18Mph(29Km, 16Kts)
Details for Sunday, May 26
Considerable cloudiness. Highs in the mid 70s and lows in the low 50s.
UV Index: 6 (High)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 69%
Cloud Coverage
Sunrise: 5:08 AM
Sunset: 8:26 PM
 
Moonrise: 10:14 PM
Moonset: 6:41 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ENE
Direction: ENE (72°)
Speed: 14Mph(23Km, 12Kts)
Details for Monday, May 27
Chance of showers. Highs in the low 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 83%
Cloud Coverage
Sunrise: 5:07 AM
Sunset: 8:27 PM
 
Moonrise: 11:04 PM
Moonset: 7:50 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NNE
Direction: NNE (31°)
Speed: 11Mph(18Km, 9Kts)
Details for Tuesday, May 28
Mix of sun and clouds. Highs in the mid 70s and lows in the low 50s.
UV Index: 8 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 5:07 AM
Sunset: 8:28 PM
 
Moonrise: 11:46 PM
Moonset: 9:03 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  NW
Direction: NW (326°)
Speed: 11Mph(18Km, 9Kts)
Chart.
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