Travel & RV Weather Forecast Tuesday 5 July

Clusters of severe thunderstorms expected today and tonight across a broad area of the northern U.S. stretching from Montana to Pennsylvania and Virginia. Localized flash flooding also possible in this region.
Heat will expand across the center of the nation through at least the middle of this week.

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Pacific:

— No significant weather impacts to RV travel today or Wednesday.

Mountain:

— Southeast MT: Severe thunderstorm watch through late this morning. Hail up to 2 inches in diameter and wind gusts to 75 mph. I-94 potentially impacted.

— Southeast MT: Flood Advisory through noon today. Minor flooding near streams and rivers from excessive rainfall.

— Much of central and eastern MT; northeast WY: Clusters of severe thunderstorms are forecast this afternoon and evening. Strong wind gusts and hail are the main threats. Intense gusts and very large hail is expected over eastern MT. I-90, I-94 potentially impacted.

— Most of MT; northeast and eastern WY; adjacent western ND and SD: Isolated to scattered severe thunderstorms Wednesday. Damaging wind gusts and large hail are the main threats. I-15, I-90, I-94 potentially impacted.

Central:

— West-central, southwest and southern ND; SD; most of NE along and north of I-80; southwest and southern MN; most of IA; southern WI; central, northern and eastern IL: Clusters of severe thunderstorms are forecast this afternoon and evening. Strong wind gusts and hail are the main threats. Intense gusts and very large hail is expected within a ~50 mille radius of the intersection of I-29 and I-90. 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.

— Eastern KS; central and southern MO; southwest IL: Excessive Heat Warnings though Thursday night. Heat index values approaching 110 deg F. I-35, I-44, I-55, I-57, I-70 impacted.

— North-central and northeast IL; adjacent northwest IN: Flood Watch this afternoon through late tonight for excessive rainfall. Major highways potentially impacted include I-39, I-5, I-57, I-80, I-90, I-94.

— Central and east-central IL: Isolated to scattered severe thunderstorms Wednesday. Damaging wind gusts and large hail are the main threats. I-55, I-57, I-70, I-72 potentially impacted.

Eastern:

— IN; OH; northern and eastern KY; WV; central and southern PA; MD; DC; northern and western VA: Clusters of severe thunderstorms are forecast this afternoon and evening. 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.

— Most of IN; southwest OH; central and eastern KY; northeast TN; central and southern WV; most of VA south of Fredericksburg; NC; northern SC: Isolated to scattered severe thunderstorms Wednesday. Damaging wind gusts and large hail are the main threats. Major highways potentially impacted include I-40, I-64, I-65, I-70, I-71, I-74, I-75, I-77, I-81, I-85, I-95.