National Weather Service United States Department of Commerce

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 9, 2025 at 2:02:18 am CDT

There are no watches, warnings, or advisories at this time.

Seasonable summer weather is in store the remainder of the week with highs in the low 90s and lows in the low to mid 70s. Rain chances will be highest along the coast each afternoon, but pop up storms will remain mainly scattered in nature. Any strong storm will be capable of producing…Dangerous Cloud to Ground Lightning, Gusty Winds in Excess of 30-40mph, Brief Waterspouts Across Marine Areas, and Locally Hazardous Marine Conditions.
Summer T-Storms - Knowing the Threats: If the forecast today calls for Scattered afternoon storms, typical threats include frequent dangerous lightning, localized flash flooding and sudden strong wind gusts. Be weather aware! If you hear thunder, you are close enough to be struck by lightning! Move indoors to a sturdy structure until the storm passes. If you are on or near water and see a storm approaching, get out of the water and move indoors or inside a vehicle! If traveling and encounter water covered roads, Turn Around Don’t Drown! HAVE A PLAN in case a storm strikes. Don’t risk riding out a storm outdoors!

 

 


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 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Baton Rouge LA00:53Clear10767493CALM-30.00
Biloxi MS00:55Clear10797175ENE 8-29.98
Gulfport MS00:53Clear10797176ENE 9-30.00
Hammond LA01:35Partly Cloudy107676100CALM-30.00
Houma LA01:35Clear10767493NE 3-29.99
McComb MS00:53Clear10767390CALM-30.02
New Orleans LA00:53Mostly Clear10807584CALM-29.99
Slidell La00:53Mostly Clear10747397N 3-30.00