Montana flood watches
There are no flood watches in Montana right now. The last one was issued on September 19, 2026.
Heavy rain or snowmelt could cause flooding or flash flooding. Be ready to act if a warning is issued.
Updated from the National Weather Service ยท lists refresh hourly; the live map loads current alerts directly from the NWS
Active flood watches in Montana
None right now. Other active alerts in Montana: none.
Flood Watches in Montana by year
Montana averaged 15.8 flood watches per year from 2016 to 2025, and has had 33 so far in 2026. The most recent was issued on September 19, 2026.
Counties with the most flood watches
| County | 2016โ2025 |
|---|---|
| Cascade County | 25 |
| Fergus County | 23 |
| Judith Basin County | 22 |
| Meagher County | 21 |
| Missoula County | 20 |
| Big Horn County | 19 |
| Glacier County | 18 |
| Dawson County | 17 |
| Rosebud County | 16 |
| Prairie County | 16 |
What a flood watch means
A flood watch means conditions are favorable for flooding, including flash flooding, in and near the watch area. Watches are issued ahead of heavy-rain events such as slow-moving storms, tropical systems and atmospheric rivers, often 12 to 48 hours in advance.
More about flood watches and the national map โ
What to do
- Know whether your home, school or commute is in a flood-prone area.
- Clear gutters and storm drains near your home if it is safe.
- Plan a route to higher ground and keep your phone charged.
More Montana alerts
- Tornado Warnings
- Severe Thunderstorm Warnings
- Flash Flood Warnings
- Flood Warnings
- Winter Storm Warnings
- Winter Storm Watches
- Winter Weather Advisories
- Blizzard Warnings
- Extreme Cold Warnings
- Cold Weather Advisories
- Heat Advisories
- High Wind Warnings
- Wind Advisories
- Red Flag Warnings
- Dense Fog Advisories
- All Montana alerts