National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Sisseton, Sisseton Municipal Airport (K8D3)

Lat: 45.67°NLon: 96.99°WElev: 1161ft.

Windy

44°F

7°C

Humidity 85%
Wind Speed N 30 G 45 mph
Barometer 30.21 in (1023.4 mb)
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 15 Oct 11:56 pm CDT
Extended Forecast for

Sisseton SD

  • Overnight

    Overnight: Showers likely, mainly before 2am, then a chance of sprinkles after 4am. Cloudy, with a low around 36. Windy, with a north northwest wind 28 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 47. Breezy, with a north northwest wind 23 to 28 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 47 °F

    Decreasing
    Clouds and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Areas of frost between 9pm and 1am. Otherwise, clear, with a low around 34. Light and variable wind becoming south southwest 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

    Low: 34 °F

    Areas Frost

  • Saturday

    Saturday: Sunny, with a high near 61. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 38 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 47 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 67. South southwest wind 8 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. North northwest wind 3 to 5 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. South southeast wind around 5 mph.

    Low: 42 °F

    Clear

Detailed Forecast

Overnight
Showers likely, mainly before 2am, then a chance of sprinkles after 4am. Cloudy, with a low around 36. Windy, with a north northwest wind 28 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 47. Breezy, with a north northwest wind 23 to 28 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Areas of frost between 9pm and 1am. Otherwise, clear, with a low around 34. Light and variable wind becoming south southwest 9 to 14 mph in the evening. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 61. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 47. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 67. South southwest wind 8 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 40. North northwest wind 3 to 5 mph.
Monday
Sunny, with a high near 64. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 42. South southeast wind around 5 mph.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sisseton SD
 45.66°N 97.04°W (Elev. 1201 ft)
Last Update:
11:21 pm CDT Oct 15, 2026
Forecast Valid:
12am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation