IOWA CST/CDT · 99 COUNTIES · NWS OFFICIAL Regions Severe Climate About Almanac Garden
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Weather & Climate · The Hawkeye State
The Definitive Iowa Weather Portal

Every forecast in the Hawkeye State,
highway-clear.

Official National Weather Service forecasts, derechos, blizzards and river flooding — for all 99 Iowa counties, from the Loess Hills and the Missouri to the Driftless bluffs and the Mississippi.

Popular: Des Moines · Cedar Rapids · Davenport · Iowa City · Sioux City
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Iowa Interstates Shields Major Cities
99
Counties
3.21M
People
11
Regions
Apr–Aug
Severe Season

Iowa Right Now

Services · Live conditions

Live Satellite & Radar

Imagery · squall.cloud
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Regions of Iowa

Guide · 11 zones
Zone 1 · I-35/80
Des Moines & Central Iowa
Des Moines · Ames · Ankeny
Zone 2 · I-380
Cedar Rapids & the Corridor
Cedar Rapids · Iowa City · Marion
Zone 3 · I-74/80
The Quad Cities
Davenport · Bettendorf · Clinton
Zone 4 · US-20
The Cedar Valley
Waterloo · Cedar Falls · Waverly
Zone 5 · US-61
Dubuque & the Driftless
Dubuque · Decorah · Dyersville
Zone 6 · I-35
North Central Iowa
Mason City · Clear Lake · Algona
Zone 7 · I-29
Siouxland & the Great Lakes
Sioux City · Spencer · Spirit Lake
Zone 8 · US-20
The Corn Belt
Fort Dodge · Carroll · Denison
Zone 9 · I-29/80
The Loess Hills
Council Bluffs · Atlantic · Red Oak
Zone 10 · US-34
Southeast Iowa
Burlington · Ottumwa · Keokuk
Zone 11 · I-35
Southern Iowa
Creston · Osceola · Chariton

The Iowa Weather Story

Alerts & Climate
Route Shield
Severe & Derechos Live
The derecho, the supercell and the tornado — the storms that cross Iowa in a straight line and the ones that stop.
Services · Nov–Mar
Snow & Blizzards
Clipper snows, ground blizzards on the open sections, and the ice that sets up on the I-80 line.
Warning
River Flooding Soon
The Mississippi, the Missouri, the Cedar and the Des Moines — crests, ice jams and the years everyone measures against.
Recreation
Heat & Corn Sweat
The July dewpoints an evapotranspiring corn canopy puts into the air, and what they do to the heat index.
Recreation
Planting & Harvest
Growing degree days, the first and last frost, and the field conditions the crop calendar runs on.
Guide
Climate & Records
Normals, records and long-term trends for all 99 counties.

Weather Along the Interstates

Guide · Drive smart
Interstate
I-80
Council Bluffs → Des Moines → Iowa City → Davenport
Interstate
I-35
Missouri line → Des Moines → Ames → Mason City → Minnesota
Interstate
I-29
Missouri line → Council Bluffs → Sioux City → South Dakota
Interstate
I-380
Iowa City → Cedar Rapids → Waterloo
Interstate
I-74
Davenport → Bettendorf → Illinois
Interstate
I-680
Missouri Valley → Council Bluffs
Interstate
I-235
West Des Moines → Des Moines → Altoona
Interstate
I-280
Davenport → Rock Island bypass