Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

60°F

16°C

Humidity 50%
Wind Speed S 6 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 8 Oct 10:53 am CDT
Extended Forecast for

5 Miles NNW Altamont SD

  • Today

    Today: Mostly sunny, with a high near 68. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. East southeast wind around 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 77. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Breezy, with a south southwest wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.

    Low: 65 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south southwest wind 25 to 28 mph, with gusts as high as 45 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 37 mph.

    Low: 61 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. North wind around 14 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 1pm.  Mostly cloudy, with a high near 54. North wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 68. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 46. East southeast wind around 7 mph.
Friday
Sunny, with a high near 77. South southeast wind 8 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 65. Breezy, with a south southwest wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 36 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south southwest wind 25 to 28 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 61. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny, with a high near 72. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Mostly cloudy, with a low around 44. North wind around 14 mph, with gusts as high as 24 mph.
Columbus Day
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 54. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 41. Chance of precipitation is 20%.
Wednesday
A chance of showers. Mostly sunny, with a high near 60. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Altamont SD
 44.91°N 96.72°W (Elev. 1781 ft)
11:21 am CDT Oct 8, 2026
11am CDT Oct 8, 2026-6pm CDT Oct 14, 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