Tornadoes, hail, floods and severe storms recorded here between 1956 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 30 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
July 5, 1978 · Norman, Minnesota
Tornado F2 Tornado3 deaths, 35 injuries, $25.0M damage April 1, 2006 · Norman, Minnesota
The Red River at Halstad (MN) rose above flood stage around 4 PM CST on March 31st and remained above flood stage until around 3 AM CST on April 17th. The river peaked at roughly 39.31 feet around 8 PM CST on April 6th. Unofficially, 39.31 feet would be the third highest modern-d…
November 27, 2005 · Norman, Minnesota
June 9, 2002 · Norman, Minnesota
April 17, 1997 · Norman, Minnesota
April 5, 1997 · Norman, Minnesota
Blizzard Blizzard3 injuries, $5.0M damage April 5, 1997 · Norman, Minnesota
April 4, 1997 · Norman, Minnesota
June 10, 2026 · Norman, Minnesota
Several large tree branches blow down along the roads.
May 20, 2026 · Norman, Minnesota
A low temperature of 31 was reported at the Ada, MN NDAWN at 2:15 AM CST. The Waukon, MN NDAWN reported a low of 31 at 5:10 AM CST. Halstad, MN DOT site reported a low temperature of 31 at 5:20 AM CST.
May 14, 2026 · Norman, Minnesota
Station MN058 Halstad MN DOT reported visibilities one quarter mile or less, while the Halstad RWIS webcam on Highway 75 from MN DOT showed brown out conditions due to blowing dust during that period of time. Peak winds measured were 57 mph.
May 11, 2026 · Norman, Minnesota
Reported low temperatures ranged from 27 to 32 across Norman County. The lowest temperature of 27 was reported by the Halstad, MN DOT site at 4:15 AM CST.
May 10, 2026 · Norman, Minnesota
A personal weather station at Hadler, MN observed a low temperature of 31 at 5:10 AM CST. The NDAWN at Ada, MN observed a low of 32 at 5:25 AM CST.
April 3, 2026 · Norman, Minnesota
Measured storm total snow of 12.1 inches at Cocorahs station MN-NR-1 Twin Valley MN 0.1 NE located in southeast Norman County MN. Cocorahs station MN-NR-5 Shelly MN 0.2 SW measured 10.0 inches of snow for the storm in northwest Norman County MN.
January 25, 2026 · Norman, Minnesota
The NDAWN station Ulen 7ESE reported frequent wind chills of -40 during the late morning hours through midday on January 25.
January 22, 2026 · Norman, Minnesota
The NDAWN station Ada 1N reported frequent wind chills of -40 or lower from the morning of January 22 through the morning of January 23.
January 22, 2026 · Norman, Minnesota
The NDAWN station Ulen 7ESE reported frequent wind chills of -40 or lower from the morning of January 22 through the morning of January 23.
January 18, 2026 · Norman, Minnesota
Whiteout conditions in falling snow and blowing snow with winds frequently gusting 35 to 49 mph reported by mesonet site MN058 at Halstad, MN.
January 16, 2026 · Norman, Minnesota
Minnesota RWIS station at MN144, 1 mile north of Borup, reports blizzard conditions ongoing since 0510 CST.
January 16, 2026 · Norman, Minnesota
Minnesota RWIS at MN058, 4 miles east of Hendrum MN, reports blizzard conditions ongoing since 1800 CST.
December 28, 2025 · Norman, Minnesota
Mesonet sites in Norman County reported over 12 hours of Blizzard conditions, including 1/4 mile visibility and wind gusts up to 38 mph.
December 18, 2025 · Norman, Minnesota
The Mesonet station (MN058), in Halstad MN, recorded a 59 mph wind gust during the morning hours.
December 9, 2025 · Norman, Minnesota
Measurement of 6.0 inches at Twin Valley, MN at the CoCoRaHS station MN-NR-1 representing the storm total.
August 8, 2025 · Norman, Minnesota
Report of tree damage. Time estimated from radar.
July 7, 2025 · Norman, Minnesota
A tornado tracked NW to SE with a final S push as it occluded. It tracked for about 5.3 miles, starting in Polk County, then continuing into Norman County. After crossing into Norman County, this tornado scoured a soybean/corn field before doing damage to some farm outbuildings. …
June 21, 2025 · Norman, Minnesota
Measured gust at NDAWN mesonet station 210019 1 north Ada MN.
June 21, 2025 · Norman, Minnesota
Measured gust at mesonet station 2438D Hadler MN.
June 20, 2025 · Norman, Minnesota
Measured gust at NDAWN mesonet station 216419 east of Perley MN.
June 20, 2025 · Norman, Minnesota
Measured gust at NDAWN mesonet station 215012 Waukon MN.
June 20, 2025 · Norman, Minnesota
Measured gust at NDAWN mesonet station 216419 6 miles east of Perley, MN.
May 15, 2025 · Norman, Minnesota
Large tree limbs blown down.
April 1, 2025 · Norman, Minnesota
Twin Valley measured 7 inches of snow.
February 16, 2025 · Norman, Minnesota
Mesonet station DVI05047 Gary MN 3 NE reported a wind chill of minus 45.
February 11, 2025 · Norman, Minnesota
Mesonet near Hendrum measured a wind chill of negative 47 degrees.
January 19, 2025 · Norman, Minnesota
Wind and cold air temperatures combined to create excessive cold conditions with apparent temperature as cold as -52F on the morning of the 20th near the Hadler sensor.
December 18, 2024 · Norman, Minnesota
Received a report of 6 inches of snow, storm total. Report received at 1900 on 12/19 as a delayed report.
December 4, 2024 · Norman, Minnesota
Snow Squall. RWIS Sensor 10 miles west of ADA went from 22G31 1/4SM -SN at 1510Z to 33G38 1/8SM +SN at 1520Z with corresponding radar signature at time.
November 1, 2024 · Norman, Minnesota
Portions of Norman county was in D2 Drought for the first half of November. Mainly the SE and southern portions.
October 29, 2024 · Norman, Minnesota
Norman county experienced a week of D2 drought in October. Ongoing conditions at the end of the month.
October 5, 2024 · Norman, Minnesota
Halstad, MN DOT sensor reported a peak wind gust of 62 MPH.
June 28, 2024 · Norman, Minnesota
Broadcast Media relays report of golf ball sized hail east of Lockhart. Hail damage to the house, and 2 windows blown out.
June 28, 2024 · Norman, Minnesota
Ping-pong to golf ball sized hail outside of Gary Minnesota. Photo relayed via social media.
June 18, 2024 · Norman, Minnesota
Measured gust at the Ada NDAWN 10 foot sensor.
June 18, 2024 · Norman, Minnesota
Public relays report of mature choke cherry tree blown down.
February 27, 2024 · Norman, Minnesota
Public reports 6 inches of storm total snow in Halstad.
February 27, 2024 · Norman, Minnesota
Blizzard conditions of 1/4SM visibility or less and wind gusts of 35 MPH or more began around 4AM and persisted until around 4PM at the Halstad DOT site. Peak winds were 47mph.
February 26, 2024 · Norman, Minnesota
Public reports 7 inches of storm total snow in Ada.
December 9, 2023 · Norman, Minnesota
DOT sensor neat Halstad measured winds gusting in excess of 40mph and up to visibility of a quarter mile or less.
July 9, 2023 · Norman, Minnesota
Quarter to Ping-Pong ball sized hail reported by public east of Borup. Time estimated via radar.
June 24, 2023 · Norman, Minnesota
Spotter sent us a photo of a tornado on the ground via Twitter. It occurred in open fields, which mitigated any damage. Therefore, the rating of EF-U has been assigned with estimated path width and length.