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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0207 for Eastern Iowa, Northern Illinois, Southern Wisconsin

Scattered damaging wind gusts to 70 mph likely
Isolated large hail events to 1.5 inches in diameter possible

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EXPIRED Severe Thunderstorm Watch #0207

Locations Affected

Eastern Iowa

Northern Illinois

Southern Wisconsin

Severe Thunderstorm Watch Summary

A band of storms is forecast to move west to east across portions of the Watch area tonight. Scattered damaging gusts (60-70 mph) are possible and will likely focus near the more intense cores embedded within the band of storms and near bowing segments. Other isolated storms are possible later tonight and may pose a risk for isolated large hail.

Severe Weather Threats

Scattered damaging wind gusts to 70 mph likely

Isolated large hail events to 1.5 inches in diameter possible

Severe Thunderstorm Watch Details

SEL7

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 207
NWS Storm Prediction Center Norman OK
1030 PM CDT Fri May 15 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Iowa
  Northern Illinois
  Southern Wisconsin

* Effective this Friday night and Saturday morning from 1030 PM
  until 500 AM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...A band of storms is forecast to move west to east across
portions of the Watch area tonight.  Scattered damaging gusts (60-70
mph) are possible and will likely focus near the more intense cores
embedded within the band of storms and near bowing segments.  Other
isolated storms are possible later tonight and may pose a risk for
isolated large hail.

The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 30 miles north
northwest of Cedar Rapids IA to 10 miles south of Milwaukee WI. For
a complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 205...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
27040.

...Smith

National Risk Overview

Saturday, May 16: TORNADO: 5%; HAIL: 30%; WIND: 30%
Sunday, May 17: TORNADO: 10%; HAIL: 30%; WIND: 15%
Monday, May 18: ANY SEVERE: 30%
Tuesday, May 19: ANY SEVERE: 15%
Wednesday, May 20: ANY SEVERE: predictability too low
Thursday, May 21: ANY SEVERE: predictability too low
Friday, May 22: ANY SEVERE: predictability too low
Saturday, May 23: ANY SEVERE: predictability too low

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