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.

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