Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

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Last Map Update: Fri, Jun 19, 2026 at 11:12:27 am MDT

Watches, Warnings & Advisories

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National Weather Service Great Falls, MT

Fire Weather Watch

Thunderstorms Saturday

Heads up for your weekend plans! ⛈️ We're tracking thunderstorms moving into north-central Idaho and southwest Montana this Saturday. If you are heading out to recreate, be prepared for shifting conditions. The main hazards include: - Heavy Rain: Rates up to 0.50" per hour. - Lightning: Dangerous for outdoor activities and brings a risk of new fire starts. - Winds: Gusts pushing 50 mph, especially in southwest MT. Have a backup plan to get indoors quickly if you hear thunder, and keep a close eye on the sky!