This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Granite County Area Flooding — July 2026 →
Flash Flood Warning issued July 17 at 4:14PM MDT until July 17 at 9:00PM MDT by NWS Missoula MT
This is a severe-significance flash flood warning event affecting Granite, MT, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 20,238 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected areas & guides
Every area named for this event, per the official source. Open yours for damage guides — what to do first, and how to reach a vetted restoration pro, 24/7.
Granite, MT
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Granite, MT), colored by its significance. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Granite, MT · ≈ 32 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Storm report NWS MSO storm report
FLASH FLOOD — 1 SE Drummond, MT
Flooding across I-90 WB lane between mile marker 155-156, east of Drummond MT.
- Bulletin NWS Missoula MT
Flash Flood Warning issued
Granite, MT
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.