Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Showers and Storms Continue

Heavy Rain Threat Through This Weekend

Flood Watch Late Tonight and Saturday

Isolated Severe Storm Risk Today and Saturday

Forecast Precipitation Timing Through Sunday

Showers and storms continue to move eastward this morning. Expect widespread rain and isolated storms north of Highway 30 in far eastern IA and northwest IL with scattered storms to the south through early afternoon. Expect heavy rainfall, lightning, and wind gusts up to 30 MPH in the strongest storms.

Multiple rounds of showers and thunderstorms are expected through the weekend. Rain may be heavy at times with widespread totals of 1-3" possible by Sunday night. Locally higher amounts of 3-5+" is possible. This amount of heavy rain will lead to a threat for flooding. If you live near a flood prone area be sure to stay weather aware!

A Flood Watch is in effect for a small portion of eastern Iowa and northwest Illinois north of U.S. Highway 30 for late tonight and Saturday. This area has the greatest threat for repeated storms with heavy rain of 1-3+", which falling on saturated ground from recent heavy rain will increase the potential for flash flooding. There is still some uncertainty on where the axis of heavy rain will occur. As a result, the Flood Watch may need to be adjusted/expanded.

We'll see a few rounds of showers and storms through Saturday. An isolated strong to severe storm is possible with gusty winds the primary threat. This low threat is focused in parts of eastern Iowa, mainly for this afternoon and again later tonight. On Saturday this low threat will be for the afternoon and evening mainly south of U.S. Highway 20.

Here's a look at precipitation chances through Sunday. We'll see a few rounds. The first will be this morning through early afternoon. More widespread and greater chances develop late tonight through Saturday AM, and again Saturday night into Sunday.

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Dangerous Heat and Heavy Rainfall into the Weekend

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