⚠ April 13–14, 2026 Storm Alert: Tornadoes and hail struck Northwest Iowa last night across Clay, Emmet, and Palo Alto counties. More severe weather is on its way. Read our hail damage guide or schedule your free inspection now.
Hail damage repair, commercial flat roofing, TPO systems, and full replacements — serving Storm Lake, Spencer, Sioux City, Emmetsburg, and communities across Northwest Iowa. We’re not storm chasers. We’re your neighbors.
✅ Licensed, Bonded & Insured
⭐ A+ BBB Rating
🏠 12M+ Sq Ft Installed
📅 38+ Years Experience
🔧 Duro-Last Certified Applicator
📍 Fort Dodge, Iowa Based
Last night’s storm system brought the region’s first major severe weather event of the season — tornadoes confirmed in Clay, Emmet, and Palo Alto counties, with large hail reported from Peterson and Webb to Arnolds Park. Another round of severe storms is forecast for today. If your property is in Northwest Iowa, now is the time to get your roof checked.
From storm damage repair to full commercial roof replacements, Grell Roofing brings nearly four decades of Iowa expertise to every project — and we’re right here in the region when you need us.
Last night’s storms hit hard across Northwest Iowa. We’re inspecting and repairing hail and wind-damaged roofs now — free inspection and insurance claim support included.
New construction or full tear-off? We install durable flat and low-slope roofing systems built to handle Iowa’s freeze-thaw cycles, hail seasons, and high winds
When repair isn’t the right answer, we manage the full replacement — right materials, right installation, backed by labor and material warranties.
Twice-annual inspections keep your Northwest Iowa roof in top shape heading into storm season — and help you catch damage before it becomes a major repair.
Residential and light commercial shingle installation and repair across Northwest Iowa — fast, professional, and built to last through Iowa’s toughest weather.
Our boom truck handles material delivery and placement at any job site — ideal for larger commercial buildings and structures with limited roof access.
Right in the heart of the region we serve. When you call us, you're talking to your neighbors.
After last night’s storms, out-of-town contractors will be knocking on doors across Northwest Iowa by morning. Grell Roofing is different — we’re a family-owned business based right here in Fort Dodge, Iowa, and we’ve been serving this region for nearly four decades.
We know Iowa weather. We know Iowa roofs. And we’ll be here long after the storm chasers have moved on to the next disaster market.
We serve homeowners and commercial property owners throughout Northwest Iowa — including every county and community hit by last night’s storms.
Spencer
Peterson
Webb
Gillett Grove
Everly
Estherville
Emmetsburg
Graettinger
Armstrong
Storm Lake
Alta
Newell
Sioux Rapids
Rembrandt
⚠ Areas in Northeast Iowa were also affected
Cedar Falls
Waterloo
Raymond
La Porte City
Evansdale
Emmetsburg
Ayrshire
Mallard
Cylinder
Spirit Lake
Arnolds Park
Okoboji
Milford
Lake Park
Cherokee
Sheldon
Primghar
Paullina
Sutherland
Sioux City
Sergeant Bluff
Sloan
Moville
Pocahontas
Humboldt
Sac City
Ida Grove
Denison
All of NW Iowa
We serve homeowners and commercial property owners throughout Northwest Iowa — including every county and community hit by last night’s storms.
Free inspections, insurance claim support, and expert repairs for every community hit by the April storms — from your neighbors at Grell Roofing in Fort Dodge.