Isanti storm history
Storm events recorded in Isanti, Minnesota between 1950 and 2025.
350
Total events
14
Tornadoes
99
Hail
7
Floods
0
Deaths
$2.8M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado touched down one mile west of Cambridge and moved east through western and southern Cambridge. Lifted off ground 16 minutes later, about seven miles east of Cambridge. Twenty homes, two apartment buildings, a senior citizen center, a hospital and a water treatment plant w…
Winter Storm Winter Storm
The combination of falling snow and breezy winds resulted in winter storm conditions throughout the county. Snowfall reports ranged from 5 to 7, and the highest report was 6.8 inches near Cambridge. Surface visibilities reported at KCBG dropped to 1 mile or less for several hours…
Winter Weather Winter Weather
The AWOS at Cambridge Municipal Airport reported several hours of freezing drizzle. A CoCoRaHS observer in Isanti reported sleet and light ice accumulation was reported in Chisago County.
Winter Storm Winter Storm
Between 5 to 7 inches of snow fell across the county. CoCoRaHS observers measured 7.1 inches 1 mile SW of Braham, 6 inches in Isanti, and 5.1 inches 2 miles SSW of Cambridge. Additionally, the AWOS station at the Cambridge airport reported poor visibility of three-quarters of a m…
Winter Weather Winter Weather
Snowfall totals across the county were estimated around 2 to 4 inches.The highest report was 3.9 inches 5 miles NNW of Spencer Brook. The snow was generally light and fluffy, and fell over a period longer than 24 hours.
Winter Storm Winter Storm
A combination of heavy snow and strong winds impacted the county Tuesday afternoon into Wednesday morning. Snowfall amounts around 4 to 6 inches were estimated across the county, and wind gusts around 30 to 40 mph were measured throughout the event at Cambridge Municipal Airport.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm wind gust estimated at 65 mph downed a large tree across driveway.
Thunderstorm Wind Thunderstorm Wind
Large tree branch snapped, about 6 inches in diameter.
Hail Hail
Winter Weather Winter Weather
CoCoRaHS observers across the county measured 1 to 3 inches of snowfall. The highest snowfall total was 2.6 inches located 5 miles SW of Isanti.
Winter Weather Winter Weather
Several hours of light freezing rain resulted in accumulations around 0.1 to 0.2 inches of flat ice across the county. Additional snow accumulations around up to 2 inches fell on top of the ice resulted in hazardous travel conditions Saturday into Sunday.
Cold/Wind Chill Cold/Wind Chill
The wind chill dropped to -36 at the Cambridge airport KCBG.
Winter Storm Winter Storm
Multiple bands of snow moved through and produced generally 5 to 7 inches of light fluffy snow. A CoCoRaHS observer measured 6.9 inches of snow accumulation 1 mile SW of Braham.
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
The AWOS located at the Cambridge Municipal Airport recorded several hours of extreme wind chills with a minimum recording of -40 degrees.
Winter Weather Winter Weather
An area of 1.5 to 3.5 inches fell across the county. 3.2 inches of snow was measured near Braham, MN.
Winter Weather Winter Weather
A band of 2 to 4 inches fell across the county. 3.2 inches of snow was measured 4.4 miles E of Princeton, MN.
Thunderstorm Wind Thunderstorm Wind
A photo showed a 10 inch diameter pine tree that was snapped.
Tornado EF1 Tornado
A tornado developed in Anoka County and moved through portions of Oak Grove, St Francis, and East Bethel before crossing into Isanti County. In Isanti County, twofarm outbuildings weredestroyed and a pole barnsustained roof damage. Hundreds of trees were also broken or uprooted.
Thunderstorm Wind Thunderstorm Wind
Trees measuring 8 inches in diameter snapped halfway up from the base near Cty Rd 5 and Durant St. East of Isanti.
Thunderstorm Wind Thunderstorm Wind
Hundreds of trees were broken or uprooted from a downburst that spread out to be three or four miles wide. Some trees fell on houses, sheds, and vehicles. A neighborhood on the east side of Lake Francis was especially hard hit. The winds also blew portions of roofs off of several…
Thunderstorm Wind Thunderstorm Wind
Delayed report of multiple large trees down throughout Isanti, time estimated from radar.
Winter Storm Winter Storm
Multiple bands of snow moved through and produced generally 12 to 16 inches of heavy wet snow and 35 mph wind gusts. A CoCoRaHS observer measured 15.7 inches in Braham, MN.
Heavy Snow Heavy Snow
Six to seven inches of snow was reported across the southern region of the county. Seven inches of snow was measured 5 miles SW of Isanti, MN.
Winter Weather Winter Weather
A couple bands of snow moved through overnight and produced generally 1 to 3 inches of snow. Temperatures were below freezing, which led to icy roads.
Excessive Heat Excessive Heat
Warm environmental temperatures in the mid 90s combined with high dewpoint values in the upper 70s caused high heat indices exceeding 105F for approximately three hours. The AWOS station located in Cambridge, MN recorded an apparent temperature of 112F at 4:55 PM (CST).
Hail Hail
Hail Hail
Hail Hail
Excessive Heat Excessive Heat
Warm environmental temperatures in the upper 90s combined with high dewpoint values in the low to mid 70s, caused high heat indices exceeding 105F for approximately three hours. The ASOS station located at the Cambridge Municipal Airport recorded an apparent temperature of 108F a…
Hail Hail
Hail Hail
Strong thunderstorm produced a combination of quarter size hail up to half-dollar size hail.
Hail Hail
Winter Storm Winter Storm
This is a continuation of the winter storm that began on March 31. A wintry mix with a couple hours of very heavy snow and strong northwest winds produced hazardous driving conditions. Based on surrounding reports, radar, ASOS observations, and MNDOT road conditions, this event v…
Winter Storm Winter Storm
A wintry mix with a couple hours of very heavy snow and strong northwest winds produced hazardous driving conditions. Based on surrounding reports, radar, ASOS observations, and MNDOT road conditions, this event verified at 0100 CST on April 01, before the snow ended during the e…
Winter Storm Winter Storm
Multiple bands of snow moved across the county. Sustained winds increased out of the northeast near 15-20 mph with gusts near 25 mph. Across the county, Interpolated Snowfall Analysis using the National Gridded Snowfall Analysis (NGSA) map detailed that at least 1-3 inches fell i…
Winter Storm Winter Storm
A heavy band of snow, with rates of 1 to 2 inches per hour caused significant travel impacts across the region as it moved through. Snowfall totals were 4 to 7 inches across the region.
Winter Storm Winter Storm
There were a few hours of freezing drizzle which led to a glazing of ice, followed by another widespread 5 to 7 inches of snow. Total snowfall amounts between Jan 03-04 were near a foot, with locally higher amounts.
Winter Weather Winter Weather
There were areas of blowing an drifting snow, with reduced visibilities. Northwest wind of 30 to 40 mph, with wind chills near 35 below zero. The conditions were bad, but not as bad as anticipated due to winds around 10 mph less than forecast.
Winter Storm Winter Storm
There were multiple reports of 6 to 8 inches across the county within a 12 hour period. This verifies the winter storm warning.
Hail Hail
Flash Flood Flash Flood
Several observations from local media to law enforcement indicated flooding occurring in the Cambridge city limits. The local cooperative observer reported 4.38 inches of rainfall in less than 2 hours with pictures around the city indicating stalled cars in flooded roadways. In a…
Excessive Heat Excessive Heat
Several temperature gauges measured heat indices around 105 degrees during the afternoon and evening hours.
Excessive Heat Excessive Heat
Local airports and other reporting stations measured heat indices above 105 degrees from the early afternoon, through the early evening.
Hail Hail
Thunderstorm Wind Thunderstorm Wind
In addition to a trained spotter measured wind speed of 63 MPH east of Cambridge, several large trees were blown over at the Pine Village Mobile Home Park in Cambridge.
Thunderstorm Wind Thunderstorm Wind
Several large tree branches were blown down in Bradford.
Thunderstorm Wind Thunderstorm Wind
Several trees blew down near Braham, including damage to an outbuilding.
Thunderstorm Wind Thunderstorm Wind
Several dozen trees were blown down or uprooted on the northwest side of Long Lake and northeast of Lake Francis.
Thunderstorm Wind Thunderstorm Wind
Wind damage to trees was noted on a social media video in Springvale Township, which is northwest of Cambridge.
Hail Hail
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 14 | 0 |
| 2024 | 8 | 1 |
| 2023 | 14 | 0 |
| 2022 | 20 | 0 |
| 2021 | 4 | 0 |
| 2020 | 7 | 1 |
| 2019 | 5 | 0 |
| 2018 | 9 | 0 |
| 2017 | 1 | 0 |
| 2016 | 7 | 0 |
| 2015 | 3 | 0 |
| 2014 | 13 | 0 |
| 2013 | 9 | 0 |
| 2012 | 10 | 0 |
| 2011 | 19 | 1 |
| 2010 | 9 | 0 |
| 2009 | 6 | 0 |
| 2008 | 24 | 0 |
| 2007 | 24 | 0 |
| 2006 | 8 | 0 |
| 2005 | 14 | 0 |
| 2004 | 20 | 0 |
| 2003 | 4 | 0 |
| 2002 | 14 | 1 |
| 2001 | 19 | 1 |
| 2000 | 3 | 0 |
| 1999 | 9 | 0 |
| 1998 | 6 | 0 |
| 1997 | 7 | 1 |
| 1996 | 16 | 1 |
| 1995 | 7 | 4 |
| 1994 | 5 | 0 |
| 1991 | 1 | 1 |
| 1989 | 2 | 1 |
| 1987 | 2 | 0 |
| 1983 | 1 | 0 |
| 1982 | 1 | 0 |
| 1981 | 2 | 1 |
| 1980 | 1 | 0 |
| 1975 | 2 | 0 |