Travel & RV Weather Forecast Monday 19 September

Flash Flood potential today and Tuesday for parts of northern California.
Strong thunderstorms for much of the Northeast today. Heavy rains and flash flood potential for northwest New England and adjacent eastern New York.
Hurricane Fiona is near the Dominican Republic in the Caribbean and is strengthening. This storm does not pose any direct threat to the U.S. Mainland.

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Pacific:

— Northern CA: Flood Advisory for portions of Tehema, Glenn and Shasta Counties through midday today. This area is just west of I-5. 2-4 inches of rain have already fallen and more is expected today.

— CA central Sierra Nevada Mountains: Flood Watch through Tuesday evening. Be especially alert if you are near or downstream of any burn scars. I-80 potentially impacted.

— CA central Sierra Nevada Mountains; southern, central and eastern NV: Strong winds this afternoon. Gusts 30-40 mph. I-15, I-80, US-50, US-395 impacted.

Mountain:

— Southwest and northeast UT; southern and western WY; southern MT: Strong winds this afternoon and evening. Gusts to 35 mph, except over 40 mph in mountain passes. I-15, I-80 impacted.

— South-central NM: Flood Watch this afternoon and evening.

— Central and south-central NE; adjacent CO: Dense Fog Advisories this morning. I-80 impacted.

Central:

— Central and south-central NE; adjacent CO: Dense Fog Advisories this morning. I-80 impacted.

— Central and southern WI: Isolated strong to severe thunderstorms Tuesday may bring damaging winds gusts and hail. I-39, I-43, I-90, I-94 potentially impacted.

Eastern:

— Central and southern MI Lower Peninsula: Isolated strong to severe thunderstorms Tuesday may bring damaging winds gusts and hail. I-69, I-75, I-94, I-96 potentially impacted.

— Eastern OH; PA; northern NJ; NY; VT; western MA; CT: Strong to marginally severe thunderstorms today. Strong wind gusts are the primary threats. I-70, I-77, I-79, I-80, I-81, I-83, I-84, I-87, I-88, I-89, I-90, I-91, I-95, I-99 NY Thruway, PA, NJ and Mass Turnpikes potentially impacted.

— Eastern NY; VT; NH; northwest MA: Flash Flood Risk today and tonight. 2-4 inches of rain possible. I-87, I-91, I-93 potentially impacted.