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

Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

68°F

20°C

Humidity 36%
Wind Speed S 5 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 18 Oct 3:53 pm CDT
Extended Forecast for

4 Miles SW Florence SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. North northeast wind around 7 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Northeast wind 6 to 8 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Southeast wind 6 to 8 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. South southeast wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48. Northeast wind 5 to 7 mph.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. South southeast wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 69. North northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 42. Northeast wind 6 to 8 mph.
Monday
Sunny, with a high near 62. East northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 44. Southeast wind 6 to 8 mph.
Tuesday
Sunny, with a high near 66. South southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 48. South wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 69. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 48. Northeast wind 5 to 7 mph.
Thursday
Sunny, with a high near 71. South southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A slight chance of showers. Partly sunny, with a high near 72. Breezy. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 57. Breezy. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Florence SD
 45.01°N 97.39°W (Elev. 1739 ft)
Last Update:
4:21 pm CDT Oct 18, 2026
Forecast Valid:
4pm CDT Oct 18, 2026-6pm CDT Oct 24, 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