Dense Fog Advisory
DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING
Montana weather alerts
3 advisories are in effect for Montana. The most serious is a dense fog advisory.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
Map data: NWS, OpenFreeMap, OpenStreetMap
Active alerts in Montana
| Alert type | Active |
|---|---|
| Dense Fog Advisory | 3 |
Dense Fog Advisory
DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING
Dense Fog Advisory
DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING
Montana alerts by type
- Montana tornado warnings
- Montana severe thunderstorm warnings
- Montana flash flood warnings
- Montana flood warnings
- Montana flood watches
- Montana winter storm warnings
- Montana winter storm watches
- Montana winter weather advisories
- Montana blizzard warnings
- Montana extreme cold warnings
- Montana cold weather advisories
- Montana heat advisories
- Montana high wind warnings
- Montana wind advisories
- Montana red flag warnings
- Montana dense fog advisories
Montana counties
Every county page lists its active alerts, the alerts issued there in recent days and its full warning and tornado history.
- Beaverhead County
- Big Horn County
- Blaine County1
- Broadwater County
- Carbon County
- Carter County1
- Cascade County
- Chouteau County
- Custer County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County1
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County1
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Cities in Montana
Recent alerts in Montana
| Issued | Alert | Area |
|---|---|---|
| Nov 14, 4:02 AM EST | Dense Fog Advisory | Fallon; Carter |
| Nov 14, 3:41 AM EST | Dense Fog Advisory | Northern Blaine County |
How often alerts are issued in Montana
Average number of alert events per year in Montana, 2016–2025, from the NWS warning archive.
| Alert type | Per year | 2025 | 2026 so far | Most recent |
|---|---|---|---|---|
| Severe Thunderstorm Warning | 331.6 | 549 | 449 | September 14, 2026 |
| Winter Weather Advisory | 180 | 181 | 97 | November 2, 2026 |
| Flood Advisory | 78.3 | 84 | 92 | September 20, 2026 |
| High Wind Warning | 51.5 | 70 | 72 | November 8, 2026 |
| Winter Storm Warning | 50.3 | 62 | 26 | October 11, 2026 |
| Winter Storm Watch | 43.2 | 56 | 24 | November 2, 2026 |
| Red Flag Warning | 42.6 | 17 | 52 | October 23, 2026 |
| High Wind Watch | 39.1 | 63 | 57 | November 8, 2026 |
| Wind Advisory | 33.9 | 39 | 24 | November 8, 2026 |
| Flood Warning | 33.7 | 9 | 7 | June 30, 2026 |
| Cold Weather Advisory | 33.4 | 53 | 12 | February 22, 2026 |
| Dense Fog Advisory | 30.1 | 34 | 30 | November 14, 2026 |
| Severe Thunderstorm Watch | 30 | 41 | 40 | September 6, 2026 |
| Fire Weather Watch | 24.8 | 4 | 34 | October 9, 2026 |
| Flash Flood Warning | 16.4 | 25 | 42 | September 19, 2026 |
| Flood Watch | 15.8 | 19 | 33 | September 19, 2026 |
Tornadoes in Montana
Montana has recorded 444 tornadoes since 1950, an average of 6.4 per year over the last 30 years, with 4 deaths. See Montana tornado history, maps and records →