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Storm tracker · Sioux Falls, SD

Sioux Falls storms: live alerts, hail & tornado history

Live watches and warnings for Sioux Falls, SD, the 48-hour thunderstorm outlook, and every hail, damaging-wind and tornado report within 25 miles since 2016.

Live alerts for Sioux Falls, SD

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    Storm outlook, next 48 hours

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    Thunderstorm forecastHigh instabilityModerateLow

    Severe weather in Sioux Falls by the numbers

    8.2severe-weather days a year (avg 2016–2025)
    4.9hail days a year
    58storm reports in the last 12 months
    4.00″biggest hail since 2016 (Aug 28, 2021)
    21tornado reports since 2016 · strongest EF2

    Sioux Falls gets regular severe thunderstorms: since 2016, spotters and emergency managers have filed 515 severe-weather reports within 25 miles of the city — 202 hail reports, 292 damaging-wind reports and 21 tornado reports. On average that is 8.2 days a year with at least one report.

    Storm season here peaks in May, July, August, when 73% of all reports were filed.

    In the last 12 months there were 22 hail reports, 33 wind reports and 3 tornado reports around Sioux Falls; the largest hail was 1.75″ (golf ball) on Aug 20, 2026.

    Latest storm reports near Sioux Falls

    DateReportWhere
    Sep 11, 2026Damaging wind24 mi S · Lincoln Co.
    Aug 20, 2026Hail 1.00″4 mi S · Lincoln Co.
    Aug 20, 2026Damaging wind17 mi SW · Turner Co.
    Aug 10, 2026Hail 1.50″15 mi S · Lincoln Co.
    Jul 25, 2026Damaging wind3 mi NW · Minnehaha Co.
    Jul 2, 2026Damaging wind22 mi W · Mccook Co.
    Jun 30, 2026Damaging wind3 mi E · Minnehaha Co.
    Jun 27, 2026Damaging wind3 mi NW · Minnehaha Co.
    Jun 17, 2026Damaging wind18 mi E · Rock Co.
    May 31, 2026Tornado15 mi W · Minnehaha Co.

    One line per day and type — the closest report that day. Distance and direction from the city centre. The latest SPC reports are preliminary until NOAA finalises them.

    Storm reports by year

    031629412516: 9 hail16: 10 damaging wind16: 1 tornado1617: 25 hail17: 14 damaging wind1718: 18 hail18: 12 damaging wind18: 2 tornado1819: 13 hail19: 26 damaging wind19: 5 tornado1920: 2 hail20: 11 damaging wind2021: 37 hail21: 52 damaging wind21: 5 tornado2122: 44 hail22: 77 damaging wind22: 4 tornado2223: 12 hail23: 8 damaging wind2324: 1 hail24: 13 damaging wind2425: 19 hail25: 36 damaging wind25: 1 tornado2526: 22 hail26: 33 damaging wind26: 3 tornado26
    HailDamaging windTornado

    Storm season in Sioux Falls

    0326496128Jan: 0JanFeb: 0FebMar: 1MarApr: 24AprMay: 128MayJun: 80JunJul: 123JulAug: 123AugSep: 36SepOct: 0OctNov: 0NovDec: 0Dec

    All hail, wind and tornado reports within 25 miles, 2016–2026, by month.

    Hail in Sioux Falls

    Sioux Falls averages 4.9 days a year with hail reported nearby. The biggest stone on record since 2016 was 4.00 inches — about the size of a softball — reported 16 miles from the city centre on Aug 28, 2021. Hail of 1 inch (quarter size) or larger is what makes a thunderstorm severe; see the hail size chart.

    Tornadoes near Sioux Falls

    There have been 21 tornado reports within 25 miles of Sioux Falls since 2016; the strongest was rated EF2 (Sep 10, 2019, 5 miles from the city centre). A tornado warning means a tornado is occurring or imminent — take shelter immediately.

    Storm alerts for Sioux Falls on your iPhone

    Lightning Tracker shows storm risk around you, live severe-weather alerts and how close the storm is — free on the App Store.

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    Storm trackers near Sioux Falls

    Omaha, NE163 mi · 13.7 storm days/yrLincoln, NE190 mi · 10.8 storm days/yrMinneapolis, MN198 mi · 11.0 storm days/yrSaint Paul, MN204 mi · 11.1 storm days/yrDes Moines, IA208 mi · 11.7 storm days/yrTopeka, KS315 mi · 12.2 storm days/yrAll of South Dakotalive warnings & state storm stats

    Questions about storms in Sioux Falls

    Does Sioux Falls get a lot of severe storms?

    Sioux Falls averages 8.2 days a year with at least one hail, damaging-wind or tornado report within 25 miles, based on NOAA Storm Prediction Center reports 2016–2025.

    When is storm season in Sioux Falls?

    Most severe-weather reports around Sioux Falls come in May, July, August.

    What is the biggest hail recorded near Sioux Falls?

    4.00 inches (softball size) on Aug 28, 2021, 16 miles from the city centre.

    Have tornadoes hit near Sioux Falls?

    Yes — 21 tornado reports within 25 miles since 2016, the strongest rated EF2 on Sep 10, 2019.

    How do I get storm alerts for Sioux Falls?

    The live panel on this page shows every active National Weather Service watch and warning for Sioux Falls, SD. For alerts on your phone, Lightning Tracker for iPhone shows storm risk and warnings for your location.

    How this page works: storm reports are NOAA Storm Prediction Center local storm reports (final database 2016–2025, preliminary daily reports after that) within 25 miles of Sioux Falls, SD. They are reports of hail, damaging wind and tornadoes — not lightning strike counts, which no free public dataset provides at city level. Live alerts come from the National Weather Service API, the outlook from Open-Meteo forecast models. Updated Oct 27, 2026.