Tornado Alerts Near Sister Bay, WI 54234

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Sister Bay

There are currently no tornado warnings, watches, or severe thunderstorm alerts in effect for the Sister Bay area. This page updates every 60 seconds from the National Weather Service.

Historical Tornado Risk

Activity level Moderate

Average per year 1.3 tornados

Peak season month June

Total on record 65 tornados

📋 Tornado History

Historical tornado events within 250 miles of Sister Bay

EF Rating	Damage	Path	Casualties	Distance	Date
EF0	Light damage	0.3 mi × 32 yd	None	5 mi	Aug 9, 2025
EF0	Light damage	0.9 mi × 65 yd	None	93 mi	Apr 28, 2025
EF1	Moderate damage	0.7 mi × 115 yd	None	48 mi	Jun 15, 2022
EF1	Moderate damage	8.5 mi × 120 yd	None	55 mi	Jun 15, 2022
EF1	Moderate damage	6.6 mi × 200 yd	None	45 mi	Jun 15, 2022
EF2	Considerable damage	1.9 mi × 375 yd	None	60 mi	Jun 15, 2022
EF1	Moderate damage	0.6 mi × 200 yd	None	39 mi	Aug 31, 2020
EF1	Moderate damage	3.8 mi × 250 yd	None	80 mi	Aug 9, 2020
EF0	Light damage	1 mi × 250 yd	None	94 mi	Aug 9, 2020
EF1	Moderate damage	0.7 mi × 250 yd	None	95 mi	Aug 9, 2020
EF1	Moderate damage	2.9 mi × 250 yd	None	97 mi	Aug 9, 2020
EF1	Moderate damage	1.3 mi × 200 yd	None	45 mi	Aug 11, 2016
EF1	Moderate damage	3.9 mi × 200 yd	None	93 mi	May 24, 2016
EF1	Moderate damage	3.8 mi × 200 yd	None	100 mi	May 24, 2016
EF0	Light damage	2.2 mi × 100 yd	None	94 mi	Jul 6, 2014
EF0	Light damage	3.5 mi × 100 yd	None	97 mi	Jul 6, 2014
EF1	Moderate damage	7.8 mi × 200 yd	None	119 mi	Jun 8, 2012
EF0	Light damage	1.6 mi × 100 yd	None	40 mi	Aug 19, 2011
EF0	Light damage	0.3 mi × 100 yd	None	40 mi	Aug 19, 2011
EF1	Moderate damage	6 mi × 250 yd	1 dead, 0 hurt	46 mi	Aug 19, 2011
EF0	Light damage	0.1 mi × 5 yd	None	101 mi	Aug 11, 2011
EF1	Moderate damage	3.3 mi × 250 yd	None	77 mi	Apr 10, 2011
EF0	Light damage	2.8 mi × 100 yd	None	85 mi	Apr 10, 2011
EF2	Considerable damage	9.2 mi × 600 yd	None	90 mi	Apr 10, 2011
EF0	Light damage	0.2 mi × 90 yd	None	55 mi	Jul 27, 2010
EF0	Light damage	0.3 mi × 100 yd	None	57 mi	Jul 27, 2010
EF0	Light damage	0.4 mi × 100 yd	None	99 mi	Apr 30, 2010
EF1	Moderate damage	3.6 mi × 200 yd	0 dead, 1 hurt	39 mi	Jun 7, 2007
EF0	Light damage	0.3 mi × 125 yd	None	41 mi	Jun 7, 2007
EF1	Moderate damage	3 mi × 200 yd	None	47 mi	Jun 7, 2007
EF2	Considerable damage	19.1 mi × 1320 yd	0 dead, 2 hurt	75 mi	Jun 7, 2007
EF3	Severe damage	7.4 mi × 1000 yd	0 dead, 1 hurt	82 mi	Jun 7, 2007
EF2	Considerable damage	12.7 mi × 700 yd	None	93 mi	Jun 7, 2007
EF1	Moderate damage	0.9 mi × 300 yd	None	94 mi	Jun 7, 2007
EF0	Light damage	0.8 mi × 100 yd	None	58 mi	Sep 30, 2002
EF0	Light damage	3 mi × 100 yd	None	57 mi	Sep 30, 2002
EF1	Moderate damage	4.5 mi × 200 yd	None	63 mi	Sep 30, 2002
EF1	Moderate damage	0.7 mi × 400 yd	None	65 mi	Sep 30, 2002
EF0	Light damage	0.1 mi × 25 yd	None	35 mi	Jul 27, 2000
EF0	Light damage	0.4 mi × 50 yd	None	37 mi	Jul 27, 2000
EF1	Moderate damage	1 mi × 100 yd	None	73 mi	Jun 10, 2000
EF1	Moderate damage	6.5 mi × 500 yd	None	75 mi	Jun 10, 2000
EF3	Severe damage	5.1 mi × 1300 yd	0 dead, 2 hurt	16 mi	Aug 23, 1998
EF1	Moderate damage	1 mi × 50 yd	None	45 mi	Jun 25, 1998
EF0	Light damage	0.3 mi × 150 yd	None	66 mi	Aug 16, 1997
EF2	Considerable damage	12 mi × 800 yd	0 dead, 3 hurt	93 mi	May 30, 1994
EF2	Considerable damage	0.2 mi × 10 yd	0 dead, 2 hurt	46 mi	Jul 19, 1992
EF2	Considerable damage	12 mi × 80 yd	None	49 mi	May 28, 1991
EF3	Severe damage	10 mi × 150 yd	None	37 mi	May 28, 1991
EF0	Light damage	0.1 mi × 20 yd	None	87 mi	Aug 18, 1987
EF3	Severe damage	42 mi × 150 yd	None	42 mi	Jul 11, 1987
EF3	Severe damage	20 mi × 150 yd	None	48 mi	Jul 11, 1987
EF3	Severe damage	7 mi × 150 yd	None	55 mi	Jul 11, 1987
EF3	Severe damage	16.3 mi × 750 yd	0 dead, 12 hurt	47 mi	Jul 4, 1986
EF3	Severe damage	8 mi × 100 yd	None	50 mi	Jul 4, 1986
EF1	Moderate damage	2.5 mi × 50 yd	1 dead, 0 hurt	36 mi	Jun 8, 1985
EF0	Light damage	0.1 mi × 27 yd	None	33 mi	Jul 14, 1984
EF2	Considerable damage	1.3 mi × 33 yd	None	80 mi	Jun 14, 1981
EF2	Considerable damage	1.3 mi × 90 yd	None	81 mi	Jun 14, 1981
EF0	Light damage	N/A	None	89 mi	Sep 8, 1980
EF0	Light damage	N/A	None	125 mi	Sep 8, 1980
EF0	Light damage	0.1 mi × 33 yd	None	92 mi	Jun 20, 1979
EF0	Light damage	0.1 mi × 33 yd	None	94 mi	Jun 20, 1979
EF1	Moderate damage	N/A	0 dead, 1 hurt	68 mi	Jun 20, 1979
EF1	Moderate damage	0.5 mi × 50 yd	0 dead, 2 hurt	98 mi	Aug 15, 1978

📈 Historical Trends

Tornado activity near Sister Bay over 24 years

65

Total tornados on record

1.3

Average per year

EF3

Strongest recorded

Jun

Peak month

EF Scale Distribution

EF0

24

EF1

24

EF2

9

EF3

8

EF4

0

EF5

0

Yearly Tornado Count

1978 2025

Strongest Tornados on Record

EF3 DELTA, MI Jul 11, 1987

42 mi path

EF3 MENOMINEE, MI Jul 11, 1987

20 mi path

EF3 MENOMINEE, MI Jul 4, 1986

16.3 mi path 12 injured

EF3 MENOMINEE, MI May 28, 1991

10 mi path

EF3 MARINETTE, WI Jul 4, 1986

8 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Sister Bay sees the most tornado activity in Jun. Stay alert and have your shelter plan ready.

US Tornado Activity by Month

Jan

2%

Feb

3%

Mar

7%

Apr

10%

May

18%

PEAK

Jun

16%

Jul

12%

Aug

9%

Sep

7%

Oct

6%

Nov

5%

Dec

3%

Current month Peak for Sister Bay

🛡️ Tornado Safety

What to know before, during, and after a tornado

⚠️ Tornado Watch

Meaning: Conditions are favorable for tornado development

Be prepared to take shelter. Stay alert for changing conditions.

🌪️ Tornado Warning

Meaning: A tornado has been spotted or detected on radar

TAKE COVER IMMEDIATELY in your nearest safe shelter.

⚠️ Step 1

Tornado Watch — Be Prepared

Conditions are favorable for tornados. Monitor weather alerts, charge your phone, and review your shelter plan. Move vehicles into garages if possible.

🌪️ Step 2

Tornado Warning — Take Cover NOW

A tornado has been sighted or indicated by radar. Move immediately to an interior room on the lowest floor (basement, bathroom, closet). Get under sturdy furniture. Stay away from windows.

🔍 Step 3

After a Tornado

Stay in your shelter until the warning expires. Check for injuries, avoid downed power lines, and watch for gas leaks. Document damage for insurance before cleanup.

Where to Shelter

✓ Best: Underground shelter or basement

✓ Good: Interior room on lowest floor

✓ Acceptable: Bathroom or closet (no exterior walls)

✓ If driving: Pull over, get below road level in a ditch

✗ NEVER: Stay in a mobile home — leave for sturdy building

✗ NEVER: Shelter under a highway overpass

📍 Nearby Tornado Monitoring

Cities near Sister Bay with live tracking