Clayton County Hail Map & Storm Reports

“At 650 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Floyd to near Waucoma to near Fairbank. Movement was east at 55 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Clayton County

“Picture relayed via the public. Time estimated via radar. (ARX)”

SPC verified report · Guttenberg

“At 1243 PM CDT, strong winds were being reported with decaying thunderstorms along a line extending from near Spring Valley to near Volga. Movement was northeast at 60 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Clayton County

“Strong wind gusts up to 50 mph are possible over the next few hours across portions of southeast Minnesota, northeast Iowa, and southwest Wisconsin in the wake of exit precipitation.”

NWS severe weather mention · Clayton County

“Strong wind gusts up to 50 mph are possible over the next few hours across portions of southeast Minnesota, northeast Iowa, and southwest Wisconsin. Unsecured outdoor objects may be blown around around by the wind and minor damage to objects such as trees and powerlines is possible.”

NWS severe weather mention · Clayton County

“At 1007 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Fort Atkinson to 6 miles south of Ossian to West Union. Movement was east at 40 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near... West Union, Calmar, Ossian, and Clermont around 1010 PM CDT.”

NWS severe weather mention · Clayton County

“Personal weather station ID KIAMCGRE12. (ARX)”

SPC verified report · 4 N Giard

“At 1110 AM CDT, automated weather observations reported strong winds behind a line of showers from 10 miles southeast of Harpers Ferry to near East Dubuque. These winds will last for 30 to 60 minutes before subsiding. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”

NWS severe weather mention · Clayton County

“Chaser video showed a brief tornado southeast of Postville. This tornado is not known to have encountered any damage indicators. Therefore... we are unable to assign th (ARX)”

SPC verified report · 3 SE Postville

“At 122 PM CDT, Doppler radar was tracking a strong thunderstorm over Holy Cross, or 14 miles southeast of Guttenberg, moving northeast at 55 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. This strong thunderstorm will be near... Lancaster around 140 PM CDT.”

NWS severe weather mention · Clayton County

“At 447 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 8 miles west of Richland Center to near Boscobel to 7 miles southeast of Prairie Du Chien to 6 miles south of Garnavillo to Dundee. Movement was east at 25 mph. Hazard: Wind gusts up to 40 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects.”

NWS severe weather mention · Clayton County

“...WINTER STORM MOVING EAST. IMPACTS ONGOING ACROSS THE REGION... .Moderate to heavy snow continues across southwest Wisconsin with significant blowing and drifting due to strong gusts to 40 to 50 mph. Widespread heavy impacts are ongoing so the Blizzard Warning will continue in southwest Wisconsin until 1 PM.”

NWS severe weather mention · Clayton County

“...BLIZZARD CONDITIONS INTO AT LEAST EARLY MORNING, BLOWING AND DRIFTING INTO AT LEAST MID-MORNING... .Moderate to heavy snow continues across southwest Wisconsin with significant blowing and drifting due to strong gusts to 40 to 50 mph. Widespread heavy impacts are ongoing so the Blizzard Warning will continue in these areas until midday.”

NWS severe weather mention · Clayton County

“...BLIZZARD CONDITIONS WITH ADDITIONAL SNOW MOVING IN THIS AFTERNOON... .The first round of this winter storm is will continue to exit east into eastern WI which will leave a brief lull across the area for the early afternoon. During this period, winds will begin to increase with wind gusts of 40 to 55 mph by the early evening.”

NWS severe weather mention · Clayton County

“...BLIZZARD CONDITIONS WITH ADDITIONAL SNOW MOVING IN THIS AFTERNOON... .The first round of this winter storm is will continue to exit east into eastern WI which will leave a brief lull across the area for the early afternoon. During this period, winds will begin to increase with wind gusts of 40 to 55 mph by the early evening.”

NWS severe weather mention · Clayton County

“...DANGEROUS WINTER STORM MOVES IN THIS EVENING... .A dangerous and potentially historic winter storm will move into the region this evening and continue through early Monday morning. Snow will move into the region this evening north of Interstate 90 with snowfall rates increasing throughout the overnight.”

NWS severe weather mention · Clayton County

“WHAT...Northwest winds 35 to 45 mph with gusts up to 60 to 70 mph. These winds are already occurring! WHERE...Portions of north central and northeast Iowa and southeast Minnesota. WHEN...Until 10 AM CDT this morning. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“WHAT...West winds 35 to 45 mph with gusts up to 60 mph. WHERE...Portions of north central and northeast Iowa and southeast Minnesota. WHEN...Until 10 AM CDT this morning. IMPACTS...Damaging winds will blow down trees and power lines. Some power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected. WHERE...Portions of north central and northeast Iowa and southeast Minnesota. WHEN...From midnight tonight to 10 AM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“WHAT...West to northwest winds 30 to 40 mph with gusts up to 65 mph expected. WHERE...Portions of north central and northeast Iowa and southeast Minnesota. WHEN...From midnight tonight to 10 AM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Portions of north central and northeast Iowa and southeast Minnesota. WHEN...From midnight Thursday Night to 10 AM CDT Friday. IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. WHERE...Clayton County. WHEN...From late Thursday night through Friday morning. IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Clayton County

“...Critical fire weather conditions likely for northeast Iowa today... .The combination of strong winds and very dry conditions are favored to lead to critical fire weather conditions in northeast Iowa today, particularly in areas dominated by tall grasses.”

NWS severe weather mention · Clayton County

“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Northeast Iowa and, in southeast Minnesota, Dodge, Olmsted, Mower, and Fillmore Counties and, in southwest Wisconsin, Crawford and Grant Counties. WHEN...Until 6 PM CST this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”

NWS severe weather mention · Clayton County

“...HAZARDOUS WINTER STORM THIS MORNING... .Areas of heavy snow and widespread strong northwest winds persist hazardous travel conditions this morning. Blizzard conditions due to blowing snow and 40 to 50 mph winds primarily affect open and unsheltered locations of northeast Iowa and southeast Minnesota.”

NWS severe weather mention · Clayton County

“...BURSTS OF HEAVY SNOW, GUSTY WINDS, REDUCED VISIBILITIES, AND FLASH FREEZE... .Numerous snow showers and gusty winds to 50 mph through this evening. Bursts of heavy snow combined with the gusty winds resulting in rapidly reduced visibilities and periods of whiteout conditions.”

NWS severe weather mention · Clayton County

“...ROUND 2 OF SNOW ARRIVING... .The second round of snow is beginning to move into southeast Minnesota and the I-94 corridor in central Wisconsin. Prior to the arrival of the snow, patchy freezing drizzle will be possible. A light glaze of ice may be possible on untreated and exposed surfaces. This band of snow will continue to move through the area over the next several hours.”

NWS severe weather mention · Clayton County

“...ROUND 1 OF SNOW DEPARTING, ROUND 2 ARRIVES SHORTLY... .The first wave of moderate to heavy snow is exiting for areas along and south of I-94, with moderate to locally heavy snow continuing further northeast. A second round of snow moves in after midnight, which will be accompanied by stronger winds that could lead to blowing and drifting of the new snow and reduced visibilities.”

NWS severe weather mention · Clayton County