Sioux Falls, SD Weather Forecast
Right now it is 48°F and light rain in Sioux Falls (as of Tue, 1:35 PM CST). This Afternoon: high near 52°F. Tomorrow: rain showers, high near 46°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at Sioux Falls, Foss Field (3 mi from the city center).
Weather tomorrow in Sioux Falls
Rain Showers
88% chance of rain/snow46°FRain showers. Cloudy, with a high near 46. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Rain Showers Likely 60% chance of rain/snow37°FRain showers likely before 1am. Cloudy, with a low around 37. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Weather alerts
No active National Weather Service watches, warnings or advisories for Sioux Falls right now.
7-day forecast
Rain Showers 97% chance of rain/snow52°F / 39°FRain showers. Cloudy. High near 52, with temperatures falling to around 46 in the afternoon. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible. Tonight: Rain showers. Cloudy. Low around 39, with temperatures rising to around 42 overnight. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain Showers 88% chance of rain/snow46°F / 37°FRain showers. Cloudy, with a high near 46. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible. Wednesday Night: Rain showers likely before 1am. Cloudy, with a low around 37. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Partly Sunny 10% chance of rain/snow47°F / 32°FPartly sunny. High near 47, with temperatures falling to around 44 in the afternoon. North wind 10 to 15 mph, with gusts as high as 25 mph. Thursday Night: Mostly cloudy, with a low around 32. North wind 0 to 10 mph.
Partly Sunny47°F / 31°FPartly sunny, with a high near 47. Friday Night: Mostly cloudy, with a low around 31.
Mostly Sunny55°F / 35°FMostly sunny, with a high near 55. Saturday Night: Mostly clear, with a low around 35.
Sunny57°F / 38°FSunny, with a high near 57. Sunday Night: Mostly clear, with a low around 38.
Sunny60°F / 38°FSunny, with a high near 60. Monday Night: Mostly clear, with a low around 38.
Forecast issued by NWS forecast office FSD · updated Nov 3, 1:38 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Sioux Falls population: 213,748 (U.S. Census Bureau, July 1, 2025 estimate). More South Dakota cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Sioux Falls?
Wednesday, November 4: Rain Showers, high near 46°F; night: rain showers likely, low around 37°F.
Where does the Sioux Falls forecast come from?
From the National Weather Service forecast office FSD, which writes the official forecast for Sioux Falls's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Sioux Falls weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Sioux Falls (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.