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/Mist

50°F

10°C

Humidity 96%
Wind Speed N 10 mph
Barometer 29.75 in (1007.1 mb)
Dewpoint 49°F (9°C)
Visibility 0.75 mi
Wind Chill46°F (8°C)
Last update 12 Oct 1:53 am CDT
Extended Forecast for

4 Miles ESE Castlewood SD

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 47. North northeast wind around 9 mph.

    Low: 47 °F

    Patchy Fog

  • Columbus Day

    Columbus Day: A slight chance of showers between 9am and 1pm.  Areas of fog before 1pm.  Otherwise, mostly cloudy, with a high near 65. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers and
    Areas Fog

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 58. North northwest wind around 9 mph.

    High: 58 °F

    Decreasing
    Clouds

  • 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 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 wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 40 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 1pm.  Partly sunny, with a high near 59. Breezy, with a north northeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 39 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 47. North northeast wind around 9 mph.
Columbus Day
A slight chance of showers between 9am and 1pm. Areas of fog before 1pm. Otherwise, mostly cloudy, with a high near 65. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 43. Northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 58. North northwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 38. North wind 6 to 8 mph.
Wednesday
Sunny, with a high near 59. North wind 5 to 8 mph.
Wednesday Night
A chance of showers after 1am. Partly cloudy, with a low around 40. East wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers before 1pm. Partly sunny, with a high near 59. Breezy, with a north northeast wind 5 to 10 mph becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 36. Breezy, with a north northwest wind 20 to 24 mph, with gusts as high as 39 mph.
Friday
Sunny, with a high near 53. Breezy.
Friday Night
Widespread frost. Otherwise, mostly clear, with a low around 33.
Saturday
Widespread frost. Otherwise, sunny, with a high near 61. Breezy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Castlewood SD
 44.72°N 96.96°W (Elev. 1749 ft)
2:21 am CDT Oct 12, 2026
2am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database