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Grenville, SD
 79° 
Last Updated on Aug 18 2018, 5:56 pm CDT
Relative Humidity65%
Windfrom the Southeast at 12.7 gusting to 20.7 MPH
(11 gusting to 18 KT)
Pressure29.91 mb
Dewpoint66.0 F (18.9 C)

7-Day Forecast

Tonight
Patchy Smoke then Chance T-storms
Low: 63°
A chance of showers and thunderstorms, mainly after 3am.
Patchy smoke before 1am.
Increasing clouds with a low around 63.
South wind 8 to 13 mph.
Chance of precipitation is 30%.


Sunday
T-storms
High: 72°
Showers and thunderstorms likely,
then showers and possibly a thunderstorm after 1pm.
High near 72.
Southeast wind 8 to 16 mph becoming
north northeast in the afternoon.
Chance of precipitation is 80%.
New rainfall amounts
between a half and three quarters of an inch possible.


Sunday Night
Showers Likely
Low: 55°
Showers likely and possibly a thunderstorm before 1am,
then a chance of showers and thunderstorms after 1am.
Cloudy with a low around 55.
North wind 11 to 15 mph.
Chance of precipitation is 70%.
New rainfall amounts
between a half and three quarters of an inch possible.


Monday
Slight Chance T-storms and Breezy
High: 71°
A slight chance of showers and thunderstorms before 1pm.
Partly sunny with a high near 71.
Breezy with a north wind 14 to 20 mph
with gusts as high as 28 mph.
Chance of precipitation is 20%.


Monday Night
Mostly Clear
Low: 51°
Mostly clear with a low around 51.
North wind 6 to 15 mph.


Tuesday
Sunny
High: 72°
Sunny with a high near 72.
North northwest wind 7 to 9 mph.


Tuesday Night
Mostly Clear
Low: 52°
Mostly clear with a low around 52.
North northwest wind 5 to 7 mph becoming
west southwest after midnight.


Wednesday
Sunny
High: 76°
Sunny with a high near 76.
West southwest wind 6 to 9 mph.


Wednesday Night
Clear
Low: 58°
Clear with a low around 58.
South wind 8 to 10 mph.


Thursday
Sunny
High: 79°
Sunny with a high near 79.


Thursday Night
Chance T-storms
Low: 63°
A chance of showers and thunderstorms.
Partly cloudy with a low around 63.
Chance of precipitation is 40%.


Friday
Slight Chance T-storms
High: 81°
A slight chance of showers and thunderstorms.
Mostly sunny with a high near 81.
Chance of precipitation is 20%.


Friday Night
Mostly Clear
Low: 62°
Mostly clear with a low around 62.


Saturday
Mostly Sunny then Slight Chance T-storms
High: 81°
A slight chance of showers and thunderstorms.
Mostly sunny with a high near 81.
Chance of precipitation is 20%.


Source: National Weather Service








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