Hail history for Jefferson, IA

Last hail within 10 milesMay 21, 20240.75 in (penny)

Hail days, last 12 monthsNone

Largest hail since 20062.75 in (baseball)Jun 30, 2014

Hail days since 200624

Days with hail 1 inch or larger19

Tornadoes within 10 miles6

Damaging wind reports within 10 miles46

Hail has been reported within 10 miles of Jefferson on 24 days since 2006. The largest stones measured 2.75 in (baseball) on Jun 30, 2014. Hail is most common here in June and April.

Recent hail near Jefferson

No hail was reported within 10 miles of Jefferson in the last two years.

Hail days near Jefferson by year

When hail season peaks near Jefferson

Of the 24 hail days since 2006, most fell in June (7) and April (6).

Largest hail storms near Jefferson

Jun 30, 2014 · 2.75 in (baseball) · Grand Jct (7 mi from Jefferson)

National Weather Service description (English): Hail up to baseball size fell throughout town.

Jun 14, 2013 · 2 in (hen egg) · Scranton (10 mi from Jefferson)

Apr 29, 2010 · 1.75 in (golf ball) · Cooper (7 mi from Jefferson)

Apr 29, 2013 · 1.75 in (golf ball) · Churdan (9 mi from Jefferson)

Apr 13, 2018 · 1.75 in (golf ball) · Farlin (5 mi from Jefferson)

National Weather Service description (English): Trained spotter reported golf ball sized hail.

Tornadoes within 10 miles of Jefferson

Date	Rating	Where	Path
May 13, 2023	EF?	Scranton 8 mi from Jefferson	0.4 mi long, 40 yd wide
Dec 15, 2021	EF2	Scranton 8 mi from Jefferson	5.5 mi long, 100 yd wide
Dec 15, 2021	EF2	Scranton 6 mi from Jefferson	5.8 mi long, 100 yd wide
Dec 15, 2021	EF2	Farlin 7 mi from Jefferson	2.7 mi long, 70 yd wide
Dec 15, 2021	EF?	Grand Jct 9 mi from Jefferson	3.8 mi long, 50 yd wide
Aug 31, 2014	EF0	Farlin 8 mi from Jefferson	4.5 mi long, 45 yd wide

Damaging thunderstorm winds near Jefferson

46 reports of damaging thunderstorm wind within 10 miles of Jefferson since 2006, on 24 days. The strongest measured gust was 83 mph on Aug 10, 2020.

Date	Strongest gust	Where	Source
Sep 6, 2026	damage reported	Jefferson 1 wind report	NWS storm report (preliminary)
Aug 9, 2025	60 mph, estimated	Jefferson 1 wind report	NOAA Storm Events
Aug 5, 2023	58 mph, estimated	Churdan 1 wind report	NOAA Storm Events
Jul 11, 2022	66 mph, measured	Jefferson Muni Airport, Farlin, Jefferson 6 wind reports	NOAA Storm Events
Dec 15, 2021	72 mph, measured	Scranton 1 wind report	NOAA Storm Events
Aug 10, 2020	83 mph, measured	Jefferson Muni Airport 2 wind reports	NOAA Storm Events
Jun 5, 2020	60 mph, estimated	Farlin, Jefferson 2 wind reports	NOAA Storm Events
Apr 13, 2018	75 mph, estimated	Jefferson, Scranton 5 wind reports	NOAA Storm Events
May 16, 2017	60 mph, estimated	Grand Jct 1 wind report	NOAA Storm Events
Apr 19, 2017	60 mph, estimated	Scranton 1 wind report	NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Jefferson; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Jefferson.

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