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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair and Breezy

79°F

26°C

Humidity 36%
Wind Speed S 22 G 37 mph
Barometer 29.60 in (1001.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Oct 11:53 am CDT
Extended Forecast for

Willow Lake SD

  • This Afternoon

    This Afternoon: Patchy blowing dust. Sunny, with a high near 85. Breezy, with a south wind 23 to 26 mph, with gusts as high as 38 mph.

    High: 85 °F

    Patchy
    Blowing Dust
    and Breezy

  • Tonight

    Tonight: Clear, with a low around 64. South wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 64 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 80. South wind 8 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. North northeast wind 9 to 13 mph.

    Low: 52 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 69. North northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North northwest wind 10 to 13 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 60. North northwest wind around 10 mph.

    High: 60 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 1am. Partly cloudy, with a low around 43. East northeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 1pm. Mostly sunny, with a high near 61. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 61 °F

    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

This Afternoon
Patchy blowing dust. Sunny, with a high near 85. Breezy, with a south wind 23 to 26 mph, with gusts as high as 38 mph.
Tonight
Clear, with a low around 64. South wind 13 to 15 mph, with gusts as high as 28 mph.
Sunday
Increasing clouds, with a high near 80. South wind 8 to 11 mph becoming east northeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 52. North northeast wind 9 to 13 mph.
Columbus Day
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 69. North northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 45. North northwest wind 10 to 13 mph.
Tuesday
Partly sunny, with a high near 60. North northwest wind around 10 mph.
Tuesday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 43. East northeast wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 61. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Willow Lake SD
 44.62°N 97.65°W (Elev. 1762 ft)
Last Update:
12:21 pm CDT Oct 10, 2026
Forecast Valid:
12pm CDT Oct 10, 2026-6pm CDT Oct 16, 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