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January 21st, 2026 :: 12:46 pm CST   

Local Weather Report for
Watertown
South Dakota, United States

 Current Watertown Weather Conditions Updated January 21st at 11:45 am 
light snow moderate freezing fog
Temperature:21°F Dew Point:19°F
Barometer:29.8 inHg Wind:N 58 Mph
Humidity:92.5% Visibility:0M
 
 Watertown Weather Forecast Summary  
 
Today
Jan 21st
Thursday
Jan 22nd
Friday
Jan 23rd
Saturday
Jan 24th
Sunday
Jan 25th
Cloudy Cloudy Cloudy Cloudy Cloudy
21°F
8°F
-20°F
-9°F
-20°F
8°F
-15°F
4°F
-18°F
 
 Watertown Detailed Weather Forecast  
 
Wednesday, January 21st, 2026
Afternoon Temperature: 14°F
Cloudy. Windy.
Evening Temperature: 6°F
Clear with cloudy periods. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 7°F
A mix of cloudy and clear skies. Windy.
Morning Temperature: 0°F
Cloudy. Windy.
Afternoon Temperature: -13°F
Sunny with cloudy periods. Windy.
Evening Temperature: -19°F
Mostly clear. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: -20°F
Clear. Windy at times.
Morning Temperature: -14°F
Cloudy. Windy at times.
Afternoon Temperature: -15°F
Cloudy with sunny periods.
Evening Temperature: -15°F
Cloudy.
Saturday, January 24th, 2026
Overnight Temperature: -14°F
Clear with cloudy periods. Windy at times.
Morning Temperature: -1°F
Cloudy. Windy at times.
Afternoon Temperature: 7°F
Cloudy. Windy at times.
Evening Temperature: 8°F
Cloudy with a chance of flurries. Windy at times.
Sunday, January 25th, 2026
Overnight Temperature: 1°F
Cloudy with a chance of flurries. Windy.
Morning Temperature: -10°F
Cloudy. Windy at times.
Afternoon Temperature: -14°F
Sunny. Windy at times.
Evening Temperature: -18°F
Clear.
Monday, January 26th, 2026
Overnight Temperature: -15°F
Clear. Windy at times.
Morning Temperature: -1°F
Sunny. Windy.
Afternoon Temperature: 8°F
Sunny. Windy.
Evening Temperature: 11°F
Clear. Windy.
Tuesday, January 27th, 2026
Overnight Temperature: 9°F
Clear. Windy at times.
Morning Temperature: 11°F
A mix of cloud and sun.
Afternoon Temperature: 6°F
Cloudy.
Evening Temperature: 10°F
Cloudy.
Wednesday, January 28th, 2026
Overnight Temperature: 6°F
Cloudy.
Morning Temperature: 11°F
Cloudy with a slight chance of flurries. Windy at times.
Afternoon Temperature: 19°F
Cloudy with a chance of flurries. Windy.
Evening Temperature: 4°F
Cloudy with a slight chance of flurries. Windy.
Thursday, January 29th, 2026
Overnight Temperature: -7°F
Clear with cloudy periods. Windy at times.
Morning Temperature: -2°F
Cloudy.
Afternoon Temperature: 2°F
Cloudy.
Evening Temperature: -2°F
Cloudy.





 

  [ Local Weather Report ]
Ortonville, MN 
11:55 AM  25°F
light snow
 
Brookings, SD 
11:51 AM  27°F
light snow mist
 
Madison, MN 
11:55 AM  25°F
light snow
 
Sisseton, SD 
11:56 AM  21°F
 
 
Appleton, MN 
11:53 AM  25°F
light snow
 
Wheaton, MN 
11:53 AM  23°F
mist
 
Huron, SD 
11:47 AM  25°F
light snow moderate freezing fog
 
Montevideo, MN 
11:55 AM  21°F
light snow
 
Marshall, MN 
11:46 AM  27°F
light snow mist
 
Aberdeen, SD 
11:53 AM  21°F
blowing snow

 
This WeatherCity Weather Forecast for Watertown, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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