Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

70°F

21°C

Humidity	93%
Wind Speed	E 7 mph
Barometer	29.99 in (1013.9 mb)
Dewpoint	68°F (20°C)
Visibility	NA
Last update	17 Aug 12:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Webster SD

Overnight
Low: 67 °F
Chance
T-storms
Sunday
High: 78 °F
Heavy Rain
then Showers
Likely
Sunday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers
Monday
High: 77 °F
Mostly Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Clear
Wednesday
High: 81 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of showers and thunderstorms, mainly after 2am. Cloudy, with a low around 67. East southeast wind 6 to 9 mph. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 78. Southeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Mostly cloudy, with a low around 64. East southeast wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

Monday

Mostly sunny, with a high near 77. North northwest wind 8 to 10 mph.

Monday Night

Partly cloudy, with a low around 60. East northeast wind 6 to 8 mph.

Tuesday

Mostly sunny, with a high near 78. East wind around 7 mph.

Tuesday Night

Clear, with a low around 60. Southeast wind around 7 mph.

Wednesday

Sunny, with a high near 81. South southeast wind 6 to 9 mph.

Wednesday Night

Mostly clear, with a low around 63. Southeast wind around 10 mph.