Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Partly Cloudy

59°F

15°C

Humidity 77%
Wind Speed N 10 G 18 mph
Barometer 29.76 in
Dewpoint 52°F (11°C)
Visibility 9.00 mi
Last update 11 Oct 3:55 pm CDT
Extended Forecast for

White Horse SD

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. North wind around 8 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Cloudy through mid morning, then gradual clearing, with a high near 69. South wind 5 to 10 mph becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. North wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. North wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. North wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 1pm.  Mostly sunny, with a high near 59. Northeast wind 5 to 13 mph, with gusts as high as 21 mph.

    High: 59 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely.  Mostly cloudy, with a low around 40. Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain before 1pm.  Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. North wind around 8 mph, with gusts as high as 18 mph.
Columbus Day
Cloudy through mid morning, then gradual clearing, with a high near 69. South wind 5 to 10 mph becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Partly cloudy, with a low around 39. North wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 57. North wind 8 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 38. North wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday
A 30 percent chance of rain after 1pm. Mostly sunny, with a high near 59. Northeast wind 5 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Thursday
A chance of rain before 1pm. Mostly cloudy, with a high near 60. Breezy.
Thursday Night
Partly cloudy, with a low around 35. Breezy.
Friday
Sunny, with a high near 54. Breezy.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 68. Breezy.
Saturday Night
Mostly clear, with a low around 45. Breezy.
Sunday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
White Horse SD
 43.31°N 100.59°W (Elev. 2598 ft)
1:51 pm CDT Oct 11, 2026
4pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database