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

Heavy Rainfall and Flooding in the Southwest and Four Corners; Unsettled Weather in Florida

Heavy to excessive rainfall will continue today across portions of the Southwest and Four Corners Region, leading to flash, urban and small stream flooding. Significant river flooding is expected through Monday. Heavy rainfall is expected across southern and eastern Florida through Monday, with isolated flash flooding possible. Read More >

Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Light Rain Fog/Mist

56°F

13°C

Humidity 93%
Wind Speed SE 12 G 21 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 1 Nov 11:53 pm CST
Extended Forecast for

3 Miles ESE Watertown Municipal Airport SD

  • Overnight

    Overnight: Rain, mainly after 2am. Low around 55. Southeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain

  • Monday

    Monday: Rain and possibly a thunderstorm before 1pm, then rain likely. High near 65. Breezy, with a south wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 48. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain. Low around 38. North northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 45. Northwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 33. North northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly after 2am. Low around 55. Southeast wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm before 1pm, then rain likely. High near 65. Breezy, with a south wind 15 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 44. Breezy, with a south wind 10 to 20 mph becoming north after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 48. Breezy, with a north northwest wind 20 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 38. North northwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 45. Northwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 33. North northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 45. North northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 33. North wind 5 to 7 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 51.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Watertown Municipal Airport SD
 44.91°N 97.11°W (Elev. 1752 ft)
Last Update:
12:21 am CST Nov 2, 2026
Forecast Valid:
12am CST Nov 2, 2026-6pm CST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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