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Storm tracker · Naperville, IL

Naperville storms: live alerts, hail & tornado history

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

Live alerts for Naperville, IL

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    Storm outlook, next 48 hours

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    Thunderstorm forecastHigh instabilityModerateLow

    Severe weather in Naperville by the numbers

    16.0severe-weather days a year (avg 2016–2025)
    6.7hail days a year
    187storm reports in the last 12 months
    4.80″biggest hail since 2016 (Mar 10, 2026)
    88tornado reports since 2016 · strongest EF3

    Naperville sits in one of the most active severe-weather areas in the country: since 2016, spotters and emergency managers have filed 1,660 severe-weather reports within 25 miles of the city — 371 hail reports, 1,201 damaging-wind reports and 88 tornado reports. On average that is 16.0 days a year with at least one report.

    Storm season here peaks in June, July, August, when 66% of all reports were filed.

    In the last 12 months there were 45 hail reports, 130 wind reports and 12 tornado reports around Naperville; the largest hail was 4.80″ (grapefruit) on Mar 10, 2026.

    Latest storm reports near Naperville

    DateReportWhere
    Aug 12, 2026Damaging wind17 mi S · Will Co.
    Aug 11, 2026Damaging wind4 mi NW · Dupage Co.
    Aug 11, 2026Tornado15 mi SW · Kendall Co.
    Aug 9, 2026Hail 1.00″4 mi SW · Dupage Co.
    Aug 9, 2026Damaging wind12 mi SE · Cook Co.
    Jul 27, 2026Tornado7 mi E · Dupage Co.
    Jul 27, 2026Damaging wind7 mi NE · Dupage Co.
    Jul 27, 2026Hail 2.50″8 mi E · Dupage Co.
    Jul 4, 2026Damaging wind14 mi S · Will Co.
    Jul 3, 2026Damaging wind7 mi E · Dupage 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

    06813620527316: 6 hail16: 15 damaging wind16: 1 tornado1617: 50 hail17: 32 damaging wind1718: 15 hail18: 30 damaging wind18: 2 tornado1819: 41 hail19: 57 damaging wind19: 2 tornado1920: 18 hail20: 139 damaging wind20: 7 tornado2021: 7 hail21: 112 damaging wind21: 4 tornado2122: 12 hail22: 168 damaging wind22: 7 tornado2223: 87 hail23: 111 damaging wind23: 20 tornado2324: 56 hail24: 172 damaging wind24: 29 tornado2425: 34 hail25: 235 damaging wind25: 4 tornado2526: 45 hail26: 130 damaging wind26: 12 tornado26
    HailDamaging windTornado

    Storm season in Naperville

    0123246369492Jan: 2JanFeb: 65FebMar: 142MarApr: 134AprMay: 155MayJun: 285JunJul: 492JulAug: 322AugSep: 36SepOct: 0OctNov: 25NovDec: 2Dec

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

    Hail in Naperville

    Naperville averages 6.7 days a year with hail reported nearby. The biggest stone on record since 2016 was 4.80 inches — about the size of a grapefruit — reported 9 miles from the city centre on Mar 10, 2026. Hail of 1 inch (quarter size) or larger is what makes a thunderstorm severe; see the hail size chart.

    Tornadoes near Naperville

    There have been 88 tornado reports within 25 miles of Naperville since 2016; the strongest was rated EF3 (Jun 20, 2021, 4 miles from the city centre). A tornado warning means a tornado is occurring or imminent — take shelter immediately.

    Storm alerts for Naperville 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 Naperville

    Aurora, IL9 mi · 14.8 storm days/yrJoliet, IL18 mi · 14.2 storm days/yrElgin, IL19 mi · 15.3 storm days/yrChicago, IL26 mi · 13.6 storm days/yrRockford, IL59 mi · 11.1 storm days/yrMilwaukee, WI87 mi · 9.2 storm days/yrAll of Illinoislive warnings & state storm stats

    Questions about storms in Naperville

    Does Naperville get a lot of severe storms?

    Naperville averages 16.0 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 Naperville?

    Most severe-weather reports around Naperville come in June, July, August.

    What is the biggest hail recorded near Naperville?

    4.80 inches (grapefruit size) on Mar 10, 2026, 9 miles from the city centre.

    Have tornadoes hit near Naperville?

    Yes — 88 tornado reports within 25 miles since 2016, the strongest rated EF3 on Jun 20, 2021.

    How do I get storm alerts for Naperville?

    The live panel on this page shows every active National Weather Service watch and warning for Naperville, IL. 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 Naperville, IL. 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.