Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Overcast

64°F

18°C

Humidity 32%
Wind Speed NW 5 mph
Barometer 29.74 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Apr 5:15 pm CDT
Extended Forecast for

Saint Francis SD

Fire Weather Watch April 16, 01:00pm until April 16, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: A 30 percent chance of showers.  Mostly cloudy, with a high near 65. North wind around 9 mph.

    High: 65 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm.  Mostly cloudy, with a low around 41. North wind 7 to 9 mph becoming southwest after midnight.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. South wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 34 mph.

    High: 79 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 31. Windy, with a south wind 18 to 23 mph becoming north 26 to 31 mph after midnight. Winds could gust as high as 41 mph.

    Low: 31 °F

    Chance
    Showers and
    Windy

  • Friday

    Friday: A slight chance of rain and snow showers before 11am, then a chance of snow showers.  Mostly cloudy, with a high near 45. Windy, with a north wind 31 to 34 mph, with gusts as high as 46 mph.  Chance of precipitation is 40%.

    High: 45 °F

    Windy. Slight
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers, mainly before 1am.  Mostly cloudy, with a low around 22. Windy, with a northwest wind 24 to 32 mph, with gusts as high as 41 mph.

    Low: 22 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: A slight chance of snow showers after 1pm.  Mostly sunny, with a high near 47. Windy.

    High: 47 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers. Mostly cloudy, with a high near 65. North wind around 9 mph.
Tonight
A 30 percent chance of showers, mainly before 7pm. Mostly cloudy, with a low around 41. North wind 7 to 9 mph becoming southwest after midnight.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 47. South wind 11 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 79. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 34 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 31. Windy, with a south wind 18 to 23 mph becoming north 26 to 31 mph after midnight. Winds could gust as high as 41 mph.
Friday
A slight chance of rain and snow showers before 11am, then a chance of snow showers. Mostly cloudy, with a high near 45. Windy, with a north wind 31 to 34 mph, with gusts as high as 46 mph. Chance of precipitation is 40%.
Friday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 22. Windy, with a northwest wind 24 to 32 mph, with gusts as high as 41 mph.
Saturday
A slight chance of snow showers after 1pm. Mostly sunny, with a high near 47. Windy.
Saturday Night
Partly cloudy, with a low around 24. Blustery.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 74. Breezy.
Monday Night
Mostly clear, with a low around 46. Breezy.
Tuesday
Mostly sunny, with a high near 79. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Saint Francis SD
 43.15°N 100.9°W (Elev. 2999 ft)
3:02 pm CDT Apr 14, 2026
5pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
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