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Bozeman weather alerts

1 active alert for Bozeman, Montana right now: a Winter Weather Advisory.

41 in the last 30 days 75 in 12 months (since Aug 30) most common: Red Flag Warning Get alerts on your phone →

Active alerts for Gallatin County

NWS issues alerts by county; Bozeman is in Gallatin County. Refreshed every few minutes; times in MDT.

Moderate Expected Starts in 23 hr

Winter Weather Advisory

Issued Wed, Oct 21, 10:53 PM MDT by NWS Great Falls MT Until Sat, Oct 24, 12:00 AM MDT (in 1 day)

Area: Elkhorn and Boulder Mountains; Northwest Beaverhead County; Gallatin and Madison County Mountains and Centennial Mountains

* WHAT...Snow expected. Total snow accumulations 2 to 5 inches. * WHERE...Elkhorn and Boulder Mountains, Gallatin and Madison County Mountains and Centennial Mountains, and Northwest Beaverhead County. * WHEN...From noon Friday to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday eveni...

What it means: Snow, sleet or freezing rain that makes travel slippery is expected. Allow extra time and drive carefully.

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Where

Gallatin County on the map

Alert polygons are NWS's own. Forecast Bar's radar shows the same warnings over live precipitation, with future radar and lightning. See the radar.

Last 30 days

Recent alerts for Gallatin County

AlertIssuedEndedIssued by
Dense Fog Advisory Oct 13, 11:10 PM Oct 14, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 2:01 PM Oct 14, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 11:51 AM Oct 13, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 11:15 AM Oct 13, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 8:57 AM Oct 13, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 6:55 AM Oct 13, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 13, 12:39 AM Oct 13, 12:00 PM Great Falls MT
Dense Fog Advisory Oct 12, 12:25 PM Oct 13, 12:00 PM Great Falls MT
Winter Weather Advisory Oct 11, 11:30 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 11, 11:30 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 11, 11:30 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 11, 10:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 11, 10:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 11, 10:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 11, 10:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 10, 10:40 PM Oct 11, 6:00 PM Great Falls MT
Winter Storm Warning Oct 10, 10:40 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 10, 10:40 PM Oct 12, 9:00 AM Great Falls MT
Winter Weather Advisory Oct 10, 10:40 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 10, 4:13 PM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 10, 4:13 PM Oct 12, 6:00 AM Great Falls MT
Winter Storm Warning Oct 10, 10:56 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 10, 10:56 AM Oct 12, 6:00 AM Great Falls MT
Special Weather Statement Oct 10, 5:19 AM Oct 10, 7:30 AM Great Falls MT
Winter Storm Warning Oct 10, 12:32 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 10, 12:32 AM Oct 12, 6:00 AM Great Falls MT
Red Flag Warning Oct 9, 8:42 PM Oct 9, 9:00 PM Great Falls MT
Red Flag Warning Oct 9, 11:53 AM Oct 9, 9:00 PM Great Falls MT
Winter Storm Warning Oct 9, 11:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 9, 11:29 AM Oct 12, 6:00 AM Great Falls MT
Winter Weather Advisory Oct 9, 11:29 AM Oct 12, 6:00 AM Great Falls MT
Red Flag Warning Oct 9, 10:40 AM Oct 9, 9:00 PM Billings MT
Red Flag Warning Oct 9, 12:48 AM Oct 9, 9:00 PM Billings MT
Winter Storm Watch Oct 8, 11:48 PM Oct 12, 6:00 AM Great Falls MT
Red Flag Warning Oct 8, 11:13 PM Oct 9, 9:00 PM Great Falls MT
Winter Storm Watch Oct 8, 2:39 PM Oct 12, 6:00 AM Great Falls MT
Red Flag Warning Oct 8, 12:52 PM Oct 9, 9:00 PM Billings MT
Red Flag Warning Oct 8, 11:25 AM Oct 9, 9:00 PM Great Falls MT
Fire Weather Watch Oct 8, 3:07 AM Oct 9, 6:00 PM Great Falls MT
Fire Weather Watch Oct 7, 4:51 PM Oct 9, 9:00 PM Billings MT

Pattern

What Gallatin County gets alerted for

Every alert that named Gallatin County in the last 12 months, by type. Records begin August 30, 2026, so this fills in over the year.

Red Flag Warning
17
Winter Storm Warning
11
Winter Weather Advisory
10
Fire Weather Watch
9
Dense Fog Advisory
8
Flash Flood Watch
6
Flood Watch
6
Special Weather Statement
6
Winter Storm Watch
2

Plain English

What these alerts mean

A warning means the hazard is happening or about to; a watch means conditions favour it; an advisory is a lesser hazard still worth planning around.

Winter Weather Advisory

Snow, sleet or freezing rain that makes travel slippery is expected. Allow extra time and drive carefully.

Dense Fog Advisory

Visibility of a quarter mile or less is expected. Slow down and use low beams.

Winter Storm Warning

Heavy snow, sleet or ice that makes travel dangerous is occurring or imminent. Avoid travel if you can.

Special Weather Statement

A heads-up about conditions that do not meet warning or advisory criteria but still deserve attention, such as a strong storm, patchy fog or a brief burst of snow.

Red Flag Warning

Critical fire weather: dry fuels, low humidity and gusty winds. Any fire can spread rapidly; avoid outdoor burning.

Winter Storm Watch

A significant winter storm is possible. Prepare for hazardous travel and stock up ahead of time.

Fire Weather Watch

Critical fire weather conditions are possible. Postpone outdoor burning.

Flash Flood Watch

Conditions may lead to flash flooding. Be ready to move to higher ground.

Flood Watch

Conditions are favourable for flooding. Have a plan in case a warning is issued.

Nearby

Alerts near Bozeman

Cities

Billings, MT Great Falls, MT1 Idaho Falls, ID1 Missoula, MT Pocatello, ID Twin Falls, ID

Neighbouring counties in Montana

Madison County1 Park County Broadwater County1 Jefferson County1 Meagher County1 Beaverhead County1 All of Montana →

Questions

About Bozeman alerts

How do I get Bozeman weather alerts on my iPhone?

Install Forecast Bar, add Bozeman as a location, and turn on severe weather alerts. Every NWS warning, watch and advisory for Gallatin County then arrives as a push notification at the moment of issue, with Critical Alerts available for the most dangerous warnings. Forecast Bar also runs on iPad, Apple Watch, Mac and Apple TV.

Where do these alerts come from?

From the National Weather Service alert feed (api.weather.gov). NWS issues alerts by county and by forecast zone; this page lists every product that names Gallatin County, the county Bozeman sits in. Forecast Bar checks the feed continuously and this page refreshes within a few minutes of a change.

What is the difference between a watch, a warning and an advisory?

A warning means the hazard is occurring, imminent or very likely: act now. A watch means conditions are favourable for it to develop: prepare and stay informed. An advisory covers a hazard that is less serious than a warning but can still cause real inconvenience or danger if you are not ready for it.

Can I get this data as JSON?

Yes. /weather-alerts/mt/bozeman.json returns the active alerts, the last 30 days and the 12-month counts for Bozeman, refreshed every minute. Please cache responses and credit National Weather Service as the source.

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