The National Weather Service Quad Cities hazardous weather outlook, as of 6 p.m. today:

There is a slight risk for severe thunderstorms in the counties along and south of Interstate 80 from late tonight into early Saturday morning. The primary threats are large hail and lightning.

Area rivers are flooding. Additional widespread rainfall through Saturday could lead to renewed rises on area rivers, including the Mississippi River, and possibly higher crest levels into early next week.

There is a risk of severe storms Saturday across the entire area. There is a moderate risk of severe storms south and east of a line from Sterling to Muscatine and to Keokuk, Iowa.

The storms on Saturday will be fast-moving, so there will be less time to react to an approaching storm.

Thunderstorms will be ongoing at sunrise Saturday. Strong storms are possible south of Interstate 80 and generally east of the Mississippi. An isolated severe storm Saturday morning cannot be ruled out.

Severe storms are expected from 1 to 8 p.m. Saturday. Damaging winds and large hail are expected. Isolated tornadoes are also possible.

Sustained winds of 25 to 35 mph with gusts potentially up to 50 mph are expected on Sunday.

The National Weather Service Chicago hazardous weather outlook, as of 6 p.m. today:

A powerful storm system will impact the region on Saturday and Sunday with multiple hazards. Ongoing thunderstorms Saturday morning may pose a risk for localized flooding.

Then later Saturday afternoon into Saturday evening, a risk for significant severe weather may unfold into portions of northern Illinois and possibly northwest Indiana.

All severe hazards will be possible, including a few to several tornadoes, some possibly strong, large to very large hail, and damaging wind gusts.

At this time, the highest severe threat may be focused along and west to southwest of a line from Pontiac to Marseilles to Dixon.

In addition to the thunderstorm threat on Saturday, areas of fog will be possible Saturday morning in northeast Illinois, some could be dense.

Then late Saturday night into Sunday morning, strong southwest to west winds gusting up to 40 to 45 mph or more are possible.

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