⚠️ Severe Thunderstorm Warning – Benton, IA; Cedar, IA; Iowa, IA; Johnson, IA; Jones, IA; Linn, IA; Muscatine, IA – Monday, July 20, 2026

Severe Thunderstorm Warning issued July 20 at 5:11PM CDT until July 20 at 6:30PM CDT by NWS Quad Cities IA IL

Details

SVRDVN

The National Weather Service in the Quad Cities has issued a

* Severe Thunderstorm Warning for…
Cedar County in east central Iowa…
Johnson County in east central Iowa…
Southern Benton County in east central Iowa…
Southwestern Jones County in east central Iowa…
Northern Muscatine County in east central Iowa…
Linn County in east central Iowa…
Iowa County in east central Iowa…

* Until 630 PM CDT.

* At 510 PM CDT, severe thunderstorms were located along a line
extending from Alburnett to Fairfax to near Koszta, moving
southeast at 50 mph.

HAZARD…70 mph wind gusts and penny size hail.

SOURCE…Radar indicated.

IMPACT…Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.

* Locations impacted include…
Cedar Rapids, Iowa City, Anamosa, Tipton, Marengo, West Branch,
Durant, Mechanicsville, Stanwood, Marion, Coralville, North
Liberty, Hiawatha, Mount Vernon, West Liberty, Robins,
Williamsburg, Wilton, Belle Plaine, and Lisbon.

This includes the following highways…
Interstate 80 in Iowa between mile markers 205 and 277.
Interstate 380 between mile markers 1 and 34.

Instructions

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
sturdy building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 1000 PM CDT for southeastern,
northeastern and east central Iowa.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.