Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fog

50°F

10°C

Humidity 96%
Wind Speed NE 8 mph
Barometer 29.73 in (1006.9 mb)
Dewpoint 49°F (9°C)
Visibility 0.50 mi
Wind Chill47°F (8°C)
Last update 12 Oct 5:53 am CDT
Extended Forecast for

Henry SD

Dense Fog Advisory October 12, 06:47am until October 12, 01:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory October 12, 06:47am until October 12, 01:00pm

    NOW until 1:00pm Mon

    Dense Fog Advisory

  • Columbus Day

    High: 60 °F

    Slight Chance
    Showers and
    Dense Fog

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. North northwest wind around 10 mph.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. North wind 6 to 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. North northeast wind 5 to 8 mph.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am.  Partly cloudy, with a low around 40. East southeast wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 40 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 1pm.  Partly sunny, with a high near 59. Breezy, with a north wind 5 to 10 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Breezy, with a north northwest wind around 23 mph, with gusts as high as 37 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Columbus Day
A slight chance of showers or drizzle before 1pm, then a slight chance of drizzle between 1pm and 3pm. Widespread dense fog, mainly before 11am. Otherwise, cloudy, with a high near 60. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 42. Northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly cloudy, with a high near 57. North northwest wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. North wind 6 to 8 mph.
Wednesday
Sunny, with a high near 59. North northeast wind 5 to 8 mph.
Wednesday Night
A chance of showers after 1am. Partly cloudy, with a low around 40. East southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 59. Breezy, with a north wind 5 to 10 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 36. Breezy, with a north northwest wind around 23 mph, with gusts as high as 37 mph.
Friday
Sunny, with a high near 53. Breezy, with a north northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 61. Breezy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Henry SD
 44.88°N 97.48°W (Elev. 1818 ft)
6:21 am CDT Oct 12, 2026
6am CDT Oct 12, 2026-6pm CDT Oct 18, 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