Travel & RV Weather Forecast Monday 4 July

Chance for severe thunderstorms across much of the northern U.S. from Montana to the East Coast today and especially Tuesday.
Heaviest rains today will stretch from eastern Iowa to southern Michigan, centered on southern Wisconsin.
Heat will impact the Central U.S. into the Deep South through early this week.
Happy 4th!

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Pacific:

— North-central and northwest WA; northern ID: Flood Watches through late this evening for excessive rainfall.

— Southern CA Mojave Desert Slopes: Wind Advisory through midday today. Gusts to 50 mph. CA-58 impacted.

Mountain:

— Southern, central and eastern MT: Isolated to scattered severe thunderstorms are possible today. Strong wind gusts and hail are the main threats. I-90, I-94 potentially impacted.

— Central and eastern MT; northeast WY: Isolated to scattered severe thunderstorms are possible Tuesday. Strong wind gusts and hail are the main threats. I-90, I-94 potentially impacted.

— Portions of west-central, southwest and south-central NM: Flood Watches through this evening for excessive monsoonal rainfall. I-25, I-40 potentially impacted.

Central:

— Southwest ND; western and central SD: Isolated to scattered severe thunderstorms are possible today. Strong wind gusts and hail are the main threats. I-90, I-94 potentially impacted.

— Central and southeast MN; eastern IA; most of WI; northern IL: Isolated to scattered severe thunderstorms are possible today. Strong wind gusts and hail are the main threats. Major highways potentially impacted include I-35, I-39, I-43, I-80, I-88, I-90.

— Southwest ND; SD; most of NE north of I-80; southern MN; central and northern IA; southern WI; northern and eastern IL: Isolated to scattered severe thunderstorms are possible Tuesday. Strong wind gusts and hail are the main threats. Major highways potentially impacted include I-25, I-29, I-35, I-39, I-43, I-55, I-57, I-80, I-88, I-90, I-94.

— Heat Advisories today stretch from the northern Plains to the lower Mississippi Valley.

Eastern:

— Southern MI; IN; OH; northern KY; WV; central and southern PA; most of MD; DC; northern and western VA: Isolated to scattered severe thunderstorms are possible Tuesday. Strong wind gusts and hail are the main threats. Major highways potentially impacted include I-64, I-65, I-66, I-68, I-70, I-71, I-74, I-75, I-77, I-79, I-80, I-81, I-83, I-90, I-95, PA and OH Turnpikes, IN Toll Road.