Active Weather Alerts
Tornado Warning
Issued: 3:39 AM May. 18, 2026 – National Weather Service
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR MITCHELL AND SOUTHWESTERN MOWER COUNTIES... At 1039 PM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located along a line extending from near London to near Lyle to near Nora Springs, moving northeast at 60 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. These storms have a history of producing tornadoes in the last 30 minutes. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Osage, St. Ansgar, and Stacyville around 1045 PM CDT. Riceville around 1100 PM CDT. Other locations impacted by these tornadic storms include County Roads A 39 And S 70, Meyer, Toeterville, Rock Creek, Otranto, Brownville, and County Roads T 54 And A 31. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! && TORNADO...RADAR INDICATED; MAX HAIL SIZE...0.00 IN
Severe Thunderstorm Warning
Issued: 3:38 AM May. 18, 2026 – National Weather Service
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR MITCHELL...FLOYD AND SOUTHERN MOWER COUNTIES... At 1037 PM CDT, severe thunderstorms were located along a line extending from near Ellendale to near Lyle to near Rockford, moving east at 70 mph. HAZARD...70 mph wind gusts. SOURCE...Fire Department. At 1038 PM, the Nora Springs Fire Department reported wind gusts of 70 mph. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. These severe storms will be near... Charles City, Osage, Lyle, Stacyville, Rose Creek, and Floyd around 1045 PM CDT. Adams and Riceville around 1050 PM CDT. Other locations impacted by these severe thunderstorms include County Roads A 39 And S 70, Meyer, Toeterville, County Roads B 60 And T 18, Rock Creek, Idlewilde State Park, and Otranto. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 100 AM CDT for north central and northeastern Iowa...and southeastern Minnesota. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. && TORNADO...POSSIBLE; THUNDERSTORM DAMAGE THREAT...CONSIDERABLE; HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...OBSERVED; MAX WIND GUST...70 MPH
Tornado Warning
Issued: 3:36 AM May. 18, 2026 – National Weather Service
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT FOR SOUTHEASTERN MITCHELL AND NORTHERN FLOYD COUNTIES... At 1035 PM CDT, a severe thunderstorm capable of producing a tornado was located over Nora Springs, or 10 miles east of Mason City, moving northeast at 55 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. This circulation produced a tornado near Rockwell in the last 30 minutes. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This dangerous storm will be near... Rudd around 1040 PM CDT. Other locations impacted by this tornadic thunderstorm include Colwell County Park, Orchard, New Haven, Idlewilde State Park, Howardville, County Roads 147 And T 34, and County Roads B 20 And T 26. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! && TORNADO...RADAR INDICATED; MAX HAIL SIZE...0.00 IN
Tornado Watch
Issued: 12:31 AM May. 18, 2026 – National Weather Service
TORNADO WATCH 216 REMAINS VALID UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 4 COUNTIES IN NORTH CENTRAL IOWA FLOYD MITCHELL IN NORTHEAST IOWA CHICKASAW HOWARD IN MINNESOTA THIS WATCH INCLUDES 2 COUNTIES IN SOUTHEAST MINNESOTA DODGE MOWER THIS INCLUDES THE CITIES OF AUSTIN, CHARLES CITY, CRESCO, DODGE CENTER, NEW HAMPTON, AND OSAGE.
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