Tornado Alerts Near Great Falls, MT 59405

🌪️ Current Alert Status

Live NWS tornado and severe weather alerts

✅

All Clear

No active tornado alerts near Great Falls

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

Historical Tornado Risk

Activity level Low

Average per year 0.4 tornados

Peak season month June

Total on record 18 tornados

📋 Tornado History

Historical tornado events within 250 miles of Great Falls

EF Rating	Damage	Path	Casualties	Distance	Date
EF1	Moderate damage	10 mi × 100 yd	None	113 mi	Jun 13, 2006
EF0	Light damage	0.1 mi × 10 yd	None	69 mi	Jun 2, 1999
EF1	Moderate damage	0.5 mi × 50 yd	None	24 mi	Jul 3, 1998
EF0	Light damage	0.1 mi × 10 yd	None	94 mi	Jun 6, 1994
EF1	Moderate damage	0.1 mi × 10 yd	None	102 mi	Jun 6, 1994
EF0	Light damage	0.1 mi × 10 yd	None	34 mi	Jun 26, 1992
EF1	Moderate damage	0.2 mi × 10 yd	None	15 mi	Jul 5, 1988
EF0	Light damage	0.2 mi × 10 yd	None	77 mi	Jun 29, 1986
EF0	Light damage	N/A	None	116 mi	May 7, 1982
EF2	Considerable damage	0.5 mi × 20 yd	None	116 mi	May 7, 1982
EF0	Light damage	N/A	None	91 mi	Aug 2, 1981
EF0	Light damage	N/A	None	91 mi	Aug 2, 1981
EF0	Light damage	N/A	None	19 mi	May 26, 1980
EF0	Light damage	1 mi × 300 yd	None	12 mi	Jul 3, 1978
EF0	Light damage	1 mi × 300 yd	None	12 mi	Jul 3, 1978
EF0	Light damage	1 mi × 300 yd	None	12 mi	Jul 3, 1978
EF0	Light damage	N/A	None	30 mi	Jun 1, 1977
EF0	Light damage	N/A	None	103 mi	Jun 1, 1977

📈 Historical Trends

Tornado activity near Great Falls over 12 years

18

Total tornados on record

0.4

Average per year

EF2

Strongest recorded

Jun

Peak month

EF Scale Distribution

EF0

13

EF1

4

EF2

1

EF3

0

EF4

0

EF5

0

Yearly Tornado Count

1977 2006

Strongest Tornados on Record

EF2 TOOLE, MO May 7, 1982

0.5 mi path

EF1 GLACIER, MO Jun 13, 2006

10 mi path

EF1 CASCADE, MO Jul 3, 1998

0.5 mi path

EF1 CASCADE, MO Jul 5, 1988

0.2 mi path

EF1 GLACIER, MO Jun 6, 1994

0.1 mi path

📅 Tornado Season

When tornados are most likely near you

⚡

Active Tornado Season

Tornado season is active. Great Falls 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 Great Falls

🛡️ 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 Great Falls with live tracking