Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

42°F

6°C

Humidity 76%
Wind Speed S 9 mph
Barometer 29.99 in (1016.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Oct 7:53 am CDT
Extended Forecast for

2 Miles WSW Altamont SD

  • Today

    Today: Sunny, with a high near 65. Breezy, with a south southwest wind 17 to 22 mph becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming north around 6 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. North northeast wind 6 to 10 mph becoming east in the afternoon.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. South wind 9 to 16 mph, with gusts as high as 26 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. South southwest wind 6 to 9 mph becoming east southeast in the afternoon.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. East northeast wind around 5 mph becoming light and variable  after midnight.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Light southeast wind becoming south southeast 6 to 11 mph in the morning.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Breezy, with a south southwest wind 17 to 22 mph becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 42. Calm wind becoming north around 6 mph after midnight.
Monday
Sunny, with a high near 60. North northeast wind 6 to 10 mph becoming east in the afternoon.
Monday Night
Mostly clear, with a low around 43. South wind around 7 mph.
Tuesday
Sunny, with a high near 65. South wind 9 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 49. South wind 9 to 11 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 69. South southwest wind 6 to 9 mph becoming east southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. East northeast wind around 5 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 76. Light southeast wind becoming south southeast 6 to 11 mph in the morning.
Thursday Night
Mostly clear, with a low around 55.
Friday
A slight chance of showers. Partly sunny, with a high near 77. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Breezy. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 71. Breezy. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Altamont SD
 44.83°N 96.72°W (Elev. 1860 ft)
7:21 am CDT Oct 18, 2026
8am CDT Oct 18, 2026-6pm CDT Oct 24, 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