SwathIQ / Hail map / Mississippi / Jefferson County

Jefferson County, Mississippi Hail Map & History

The most recent reported hail day was 2024-04-02 -- 2 years ago, with nothing reported since. Jefferson County is hit in most years. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2017-01-21 near Church Hill.

15
hail days since 2010
0
days with 2″+ hail
0
hail days this year
1.75″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Mississippi. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2024-04-02, around McNair. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Jefferson County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.

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How often it hails in Jefferson County

NOAA's Storm Prediction Center has logged 15 separate hail days here since 2010 -- 0.9 a year over 17 years of record. They carry 19 reports in total: most hail days here are logged from a single spot. 6 of those 17 years produced none at all. One year dominates the record: 2016 alone produced 3 of the 15 days. The last five years have been quieter than the long run: 3 days since 2022, against 1.0 a year before that.

No stone of 2 inches or more has ever been reported in Jefferson County: all 15 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 2 of the 15 days.

Across the whole of Mississippi, see the Mississippi hail map and history.

Hardest-hit places in Jefferson County

Reports cluster nearest Fayette -- 5 of the county's 15 hail days -- then McNair (3) and Union Church (2).

PlaceHail days since 2010Largest stone
Union Church21.00″
7 W Fayette11.75″
Church Hill11.75″
Lorman11.50″
1 Nw Fayette11.00″

When it hails in Jefferson County

The season runs January through April: 12 of the 15 hail days on record fall in those 4 months (80%). March is the single busiest month, with 4 of them (27%). That peak sits inside the window rather than at either end. Hail has also been reported in June and October, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.

MonthHail days
January3
February1
March4
April4
June1
October2

Recent Jefferson County hail days

That day put 1 report on the map, the biggest 1 inch near McNair. No hail day has been reported here yet this year.

DateMax hailReports
2024-04-021.00″1
2023-06-151.00″1
2023-01-031.00″1
2020-04-221.50″1
2019-04-121.00″1
2018-02-211.00″1
2017-01-211.75″1
2016-03-301.00″1

How to read the Jefferson County map

The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.

Nearby counties

The nearest counties with a page of their own: Franklin County (17 hail days), Lincoln County (32) and Copiah County (34). Every one of them takes more hail than Jefferson County.

Franklin County · Lincoln County · Copiah County

Back to the Mississippi hail map or the U.S. hail map.

FAQ

How often does it hail in Jefferson County, Mississippi?
NOAA's Storm Prediction Center has logged 15 separate hail days here since 2010 -- 0.9 a year over 17 years of record.
When is hail season in Jefferson County?
The season runs January through April: 12 of the 15 hail days on record fall in those 4 months (80%).
How big does hail get in Jefferson County?
The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2017-01-21 near Church Hill.
When was the last hail in Jefferson County?
The most recent reported hail day was 2024-04-02 -- 2 years ago, with nothing reported since.
Is the Jefferson County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Jefferson County, Mississippi only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.