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Watertown, SD Weather
Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (CDT).
Watertown, SD current weather
39°F
Cloudy
H 51° / L 36°Feels like 35°
No rain expected in the next 12 hours
Observed at Watertown, Watertown Municipal Airport (1.2 mi away), 10/27/2026, 5:35 AM CDT
Hourly forecast
NWS, updated 4:21 AM
10-day forecast
Tap a day for details
Today10/2712% chance of precipitationLow 36°High 51°
Tuesday: Areas of fog and a slight chance of drizzle before 11am. Mostly cloudy, with a high near 51. South southeast wind 2 to 13 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
Overnight: Patchy fog and a slight chance of drizzle. Cloudy. Low around 36, with temperatures rising to around 39 overnight. East wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
Areas Of Fog then Mostly CloudyWed10/2880% chance of precipitationLow 37°High 61°
Wednesday: Patchy fog before 7am, then rain likely between 10am and 1pm, then rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 61. South southwest wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night: A chance of rain before 7pm. Partly cloudy, with a low around 37. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Light RainThu10/29Low 39°High 59°
Thursday: Sunny, with a high near 59. East northeast wind 2 to 8 mph.
Thursday Night: Partly cloudy, with a low around 39. Southeast wind around 7 mph.
SunnyFri10/3037% chance of precipitationLow 44°High 57°
Friday: Partly sunny, with a high near 57. East southeast wind 5 to 12 mph, with gusts as high as 22 mph.
Friday Night: A chance of rain after 7pm. Mostly cloudy, with a low around 44. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Partly SunnySat10/3146% chance of precipitationLow 48°High 61°
Saturday: A chance of rain. Cloudy, with a high near 61. Chance of precipitation is 50%.
Saturday Night: A chance of rain. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Chance Light RainSun11/136% chance of precipitationLow 46°High 63°
Sunday: A slight chance of rain. Mostly cloudy, with a high near 63. Chance of precipitation is 20%.
Sunday Night: A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Slight Chance Light RainMon11/260% chance of precipitationLow High 57°
Monday: Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Light Rain LikelyTue11/3Model blend42% chance of precipitationLow 35°High 53°
Tuesday: Chance of rain. High near 53°. Low that night near 35°. About 0.05 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend20% chance of precipitationLow 32°High 52°
Wednesday: Partly cloudy, slight chance of rain. High near 52°. Low that night near 32°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Thu11/5Model blendLow 33°High 52°
Thursday: Partly cloudy. High near 52°. Low that night near 33°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 44.910, -97.126 from the NWS ABR office, updated 10/27/2026, 4:21 AM CDT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KATY (Watertown Rgnl, 1 mi), model run 10/27/2026, 3:00 AM CDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now39°Patchy Fog12%7 mph
- 6 AM39°Areas Of Fog3%5 mph
- 7 AM40°Areas Of Fog4%3 mph
- 8 AM42°Areas Of Fog3%2 mph
- 9 AM44°Areas Of Fog2%2 mph
- 10 AM44°Areas Of Fog0%3 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/27/2026, 4:21 AM CDT
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.05 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Nearby hazards
South Dakota hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
Drought
By countyCodington County, week of 10/20/2026
94% of the county is in moderate drought or worse.
Frequently asked questions
- What is the weather in Watertown, SD right now?
- The latest observation from Watertown, Watertown Municipal Airport was 39°F and cloudy, reported at 10/27/2026, 5:35 AM CDT.
- What is the high temperature today in Watertown, SD?
- The National Weather Service forecast for tuesday calls for a high near 51°F. Areas Of Fog then Mostly Cloudy.
- Will it rain in Watertown, SD in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What is the 10-day forecast for Watertown, SD?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 3 to Nov 5) come from the NOAA National Blend of Models, with highs of 52°F to 53°F and up to a 42% chance of precipitation. Model guidance this far out often changes.
- What time is sunrise and sunset in Watertown, SD today?
- Sunrise is about 8:00 AM CDT and sunset is about 6:24 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Watertown, SD?
- At Watertown RGNL AP, the 1991 to 2020 normal high in October is 56°F and the normal low is 35°F.
Sun and moon
Local time, center of the area
- Sunrise
- 8 AM
- Sunset
- 6:24 PM
- Daylight
- 10 hr 24 min
- Moon
- Waning Gibbous 98% lit
- First light (civil dawn)
- 7:30 AM
- Last light (civil dusk)
- 6:54 PM
- Moonrise
- 6:50 PM
- Moonset
- 10:02 AM
Normal October weather
ClimateNormal October high 56°, low 35°, precipitation 1.95 in for the month. 1991 to 2020 normals at Watertown RGNL AP, 1 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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About this data
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