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Letcher, SD
 86° 
Last Updated on Aug 18 2018, 5:53 pm CDT
Current ConditionsFair
Relative Humidity53%
WindSouth at 16.1 MPH
(14 KT)
Pressure29.92 mb
Dewpoint66.9 F (19.4 C)
Visibility10.00 miles

7-Day Forecast

Tonight
Chance T-storms then Showers Likely
Low: 67°
A chance of showers and thunderstorms
between 11pm and midnight,
then showers likely and possibly a thunderstorm after midnight.
Increasing clouds with a low around 67.
South southeast wind 10 to 15 mph.
Chance of precipitation is 70%.
New rainfall amounts
between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.


Sunday
Showers
High: 77°
Showers and possibly a thunderstorm.
High near 77.
South southeast wind around 5 mph becoming
north northwest in the afternoon.
Chance of precipitation is 80%.
New rainfall amounts
between a quarter and half of an inch possible.


Sunday Night
Showers
Low: 59°
Showers and possibly a thunderstorm.
Low around 59.
North wind 10 to 15 mph.
Chance of precipitation is 80%.
New rainfall amounts
between a half and three quarters of an inch possible.


Monday
Slight Chance T-storms and Breezy
High: 75°
A slight chance of showers and thunderstorms before 1pm.
Cloudy,
then gradually becoming mostly sunny with a high near 75.
Breezy with a north wind 15 to 20 mph
with gusts as high as 30 mph.
Chance of precipitation is 20%.


Monday Night
Mostly Clear
Low: 53°
Mostly clear with a low around 53.
North northwest wind 5 to 15 mph.


Tuesday
Mostly Sunny
High: 77°
Mostly sunny with a high near 77.


Tuesday Night
Partly Cloudy
Low: 53°
Partly cloudy with a low around 53.


Wednesday
Sunny
High: 80°
Sunny with a high near 80.


Wednesday Night
Mostly Clear
Low: 61°
Mostly clear with a low around 61.


Thursday
Sunny
High: 84°
Sunny with a high near 84.


Thursday Night
Chance T-storms
Low: 65°
A chance of showers and thunderstorms.
Partly cloudy with a low around 65.
Chance of precipitation is 30%.


Friday
Sunny
High: 87°
Sunny with a high near 87.


Friday Night
Mostly Clear
Low: 65°
Mostly clear with a low around 65.


Saturday
Mostly Sunny
High: 87°
Mostly sunny with a high near 87.


Source: National Weather Service








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