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

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

66°F

19°C

Humidity 63%
Wind Speed S 6 mph
Barometer 29.72 in (1005.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 11 Oct 9:53 am CDT
Extended Forecast for

Wallace SD

  • Today

    Today: Increasing clouds, with a high near 76. Light east northeast wind becoming north northeast 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 49. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm.  Partly sunny, with a high near 66. Northeast wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of sprinkles before 7pm.  Mostly cloudy, with a low around 43. Northwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 43 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. North northwest wind around 10 mph.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. North wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 60. North northeast wind 5 to 9 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 1am.  Partly cloudy, with a low around 41. East wind around 6 mph.  Chance of precipitation is 40%.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 57. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.  Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 76. Light east northeast wind becoming north northeast 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, with a low around 49. North northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Columbus Day
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 66. Northeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 43. Northwest wind around 11 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 58. North northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 40. North wind around 6 mph.
Wednesday
Sunny, with a high near 60. North northeast wind 5 to 9 mph.
Wednesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 41. East wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. East wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 51. Breezy.
Friday Night
Widespread frost. Otherwise, mostly clear, with a low around 32.
Saturday
Widespread frost. Otherwise, sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Wallace SD
 45.07°N 97.48°W (Elev. 1814 ft)
10:16 am CDT Oct 11, 2026
10am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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