Grenville, South Dakota
Current Conditions -  °F | °C
As of 4:53 PM on Thursday 18 Sep 2014 (Local Time) from KATY Reporting Station
Scattered Clouds Scattered Clouds  
Wind Chill: 74°   Ceiling: Unl
Heat Index: 74°   Visibility: 10mi
Dew Point: 57°   Wind: 17mph
Humidity: 55%   Direction: 180°S
Pressure: 29.9"   Gusts: 28mph
Location:  45.47°N, 97.39°W
Report Text: KATY 182153Z AUTO 18015G24KT 10SM SCT100 23/14 A2990 RMK AO2 SLP121 T02330139
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 76° - Lo 61°
6 PM
Sunny
Sunny
75°
7 PM
Sunny
Sunny
74°
8 PM
Clear
Clear
71°
9 PM
Clear
Clear
68°
10 PM
M Clear
M Clear
65°
11 PM
P Cloudy
P Cloudy
65°
Weather Maps
Daily Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
sep
18
P Cloudy
P Cloudy
76°
61°
sep
19
Iso T-Storms
Iso T-Storms
80°
58°
sep
20
Sunny
Sunny
76°
50°
sep
21
Sunny
Sunny
70°
46°
sep
22
Sunny
Sunny
75°
50°
sep
23
P Cloudy
P Cloudy
76°
55°
sep
24
AM Lgt Rain
AM Lgt Rain
70°
57°
sep
25
Cloudy/Wind
Cloudy/Wind
74°
58°
sep
26
P Cloudy
P Cloudy
75°
58°
sep
27
Sunny
Sunny
76°
57°
Details for Thursday, September 18 (Evening)
Evening: Some clouds. Low 61F. Winds S at 15 to 25 mph.
UV Index: 1 (Low)
Ultraviolet Radiation Index
Relative Humidity: 59%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 20%
Cloud Coverage
Sunrise: 7:11 AM
Sunset: 7:34 PM
 
Moonrise: 1:53 AM
Moonset: 4:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  S
Direction: S (180°)
Speed: 18Mph(30Km, 21Kts)
Details for Friday, September 19
Partly cloudy with isolated thunderstorms possible. A few storms may be severe. High around 80F. Winds SW at 15 to 25 mph. Chance of rain 30%.
Evening: Partly cloudy skies. Low 58F. Winds W at 10 to 15 mph.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 80%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 76%
Cloud Coverage
Sunrise: 7:12 AM
Sunset: 7:32 PM
 
Moonrise: 2:49 AM
Moonset: 5:10 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (218°)
Speed: 17Mph(28Km, 20Kts)
Details for Saturday, September 20
Sunny. Highs in the mid 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: 8%
Cloud Coverage
Sunrise: 7:13 AM
Sunset: 7:30 PM
 
Moonrise: 3:46 AM
Moonset: 5:40 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WNW
Direction: WNW (301°)
Speed: 19Mph(30Km, 21Kts)
Details for Sunday, September 21
Sunshine. Highs in the low 70s and lows in the mid 40s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 51%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 2%
Cloud Coverage
Sunrise: 7:14 AM
Sunset: 7:28 PM
 
Moonrise: 4:45 AM
Moonset: 6:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  NW
Direction: NW (319°)
Speed: 13Mph(21Km, 15Kts)
Details for Monday, September 22
Abundant sunshine. Highs in the mid 70s and lows in the low 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 55%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 7:16 AM
Sunset: 7:26 PM
 
Moonrise: 5:43 AM
Moonset: 6:36 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (243°)
Speed: 9Mph(14Km, 10Kts)
Details for Tuesday, September 23
Partly cloudy. Highs in the mid 70s and lows in the mid 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 42%
Cloud Coverage
Sunrise: 7:17 AM
Sunset: 7:24 PM
 
Moonrise: 6:43 AM
Moonset: 7:03 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSE
Direction: SSE (150°)
Speed: 13Mph(21Km, 15Kts)
Details for Wednesday, September 24
Light rain early. Highs in the low 70s and lows in the upper 50s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 73%
Cloud Coverage
Sunrise: 7:18 AM
Sunset: 7:22 PM
 
Moonrise: 7:43 AM
Moonset: 7:30 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SSE
Direction: SSE (165°)
Speed: 18Mph(30Km, 21Kts)
Details for Thursday, September 25
Cloudy and windy. Highs in the mid 70s and lows in the upper 50s.
UV Index: 3 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 75%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 77%
Cloud Coverage
Sunrise: 7:19 AM
Sunset: 7:20 PM
 
Moonrise: 8:44 AM
Moonset: 7:59 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (162°)
Speed: 23Mph(36Km, 26Kts)
Details for Friday, September 26
Times of sun and clouds. Highs in the mid 70s and lows in the upper 50s.
UV Index: 5 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 73%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 7:21 AM
Sunset: 7:18 PM
 
Moonrise: 9:45 AM
Moonset: 8:31 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (162°)
Speed: 18Mph(29Km, 21Kts)
Details for Saturday, September 27
Sunshine. Highs in the mid 70s and lows in the upper 50s.
UV Index: 4 (Moderate)
Ultraviolet Radiation Index
Relative Humidity: 72%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 12%
Cloud Coverage
Sunrise: 7:22 AM
Sunset: 7:16 PM
 
Moonrise: 10:48 AM
Moonset: 9:06 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  S
Direction: S (182°)
Speed: 15Mph(24Km, 18Kts)
Daily Forecast Chart
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