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Fergus County weather alerts

2 active alerts for Fergus County, Montana right now: a Severe Thunderstorm Warning and a Severe Thunderstorm Watch.

26 in the last 30 days 26 in 12 months (since Aug 30) most common: Severe Thunderstorm Warning Get alerts on your phone →

Active alerts for Fergus County

Refreshed every few minutes; times in MDT.

Severe Immediate

Severe Thunderstorm Warning

Issued Sun, Sep 6, 9:27 PM MDT by NWS Great Falls MT Until Sun, Sep 6, 10:30 PM MDT (in 59 min)

Area: Fergus, MT

At 927 PM MDT, a severe thunderstorm was located 15 miles south of Winifred, or 19 miles north of Lewistown, moving northeast at 30 mph. HAZARD...Two inch hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, sidin...

What it means: A storm with hail of 1 inch or larger, winds of 58 mph or more, or both, is occurring or imminent. Move indoors and away from windows.

Full alert with map and forecast →
Severe Future

Severe Thunderstorm Watch

Issued Sun, Sep 6, 5:53 PM MDT by NWS Great Falls MT Until Mon, Sep 7, 1:00 AM MDT (in 3 hr)

Area: Blaine, MT; Broadwater, MT; Cascade, MT; Chouteau, MT; Fergus, MT; Hill, MT; Judith Basin, MT; Lewis and Clark, MT; Liberty, MT; Meagher, MT

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 662 IN EFFECT UNTIL 1 AM MDT MONDAY FOR THE FOLLOWING AREAS IN MONTANA THIS WATCH INCLUDES 10 COUNTIES IN CENTRAL MONTANA CASCADE FERGUS JUDITH BASIN MEAGHER IN NORTH CENTRAL MONTANA BLAINE CHOUTEAU HILL LIBERTY IN SOUTHWEST MONTANA BROADWATER IN WEST CENTRAL MONTANA LEWIS AND CLARK THIS IN...

What it means: Conditions are favourable for severe thunderstorms with large hail or damaging wind. Keep an eye on the sky and on warnings.

Full alert with map and forecast →

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Where

Fergus 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 Fergus County

AlertIssuedEndedIssued by
Severe Thunderstorm Warning 9:10 PM 9:15 PM Great Falls MT
Severe Thunderstorm Warning 9:08 PM 10:30 PM Great Falls MT
Severe Thunderstorm Warning 8:59 PM 9:15 PM Great Falls MT
Severe Thunderstorm Warning 8:46 PM 9:15 PM Great Falls MT
Severe Thunderstorm Warning 8:41 PM 8:45 PM Great Falls MT
Special Weather Statement 8:40 PM 9:30 PM Great Falls MT
Severe Thunderstorm Warning 8:29 PM 9:15 PM Great Falls MT
Severe Thunderstorm Warning 8:12 PM 8:45 PM Great Falls MT
Severe Thunderstorm Warning 8:05 PM 8:45 PM Great Falls MT
Severe Thunderstorm Warning 7:55 PM 8:00 PM Great Falls MT
Severe Thunderstorm Warning 7:49 PM 8:00 PM Great Falls MT
Severe Thunderstorm Warning 7:38 PM 8:00 PM Great Falls MT
Severe Thunderstorm Warning 7:26 PM 8:00 PM Great Falls MT
Severe Thunderstorm Warning 7:11 PM 7:15 PM Great Falls MT
Severe Thunderstorm Warning 7:10 PM 8:00 PM Great Falls MT
Severe Thunderstorm Warning 7:03 PM 7:15 PM Great Falls MT
Severe Thunderstorm Warning 6:55 PM 7:15 PM Great Falls MT
Severe Thunderstorm Warning 6:45 PM 7:15 PM Great Falls MT
Severe Thunderstorm Warning 6:40 PM 7:15 PM Great Falls MT
Severe Thunderstorm Warning 6:36 PM 7:15 PM Great Falls MT
Special Weather Statement 6:16 PM 7:00 PM Great Falls MT
Special Weather Statement 4:54 PM 5:45 PM Great Falls MT
Hydrologic Outlook 1:54 AM 12:00 PM Great Falls MT
Hydrologic Outlook Sep 5, 10:40 AM 12:00 PM Great Falls MT

Pattern

What Fergus County gets alerted for

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

Severe Thunderstorm Warning
20
Special Weather Statement
3
Hydrologic Outlook
2
Severe Thunderstorm Watch
1

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.

Severe Thunderstorm Warning

A storm with hail of 1 inch or larger, winds of 58 mph or more, or both, is occurring or imminent. Move indoors and away from windows.

Severe Thunderstorm Watch

Conditions are favourable for severe thunderstorms with large hail or damaging wind. Keep an eye on the sky and on warnings.

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.

Hydrologic Outlook

Flooding may develop over the coming days as rain, snowmelt or river levels rise.

Nearby

Alerts near Fergus County

Neighbouring counties in Montana

Golden Valley County Wheatland County Petroleum County1 Judith Basin County2 Blaine County3 Musselshell County Chouteau County4 Phillips County1 All of Montana →

Questions

About Fergus County alerts

How do I get Fergus County weather alerts on my iPhone?

Install Forecast Bar, add Fergus County as a location, and turn on severe weather alerts. Every NWS warning, watch and advisory for Fergus 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 Fergus County. 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/fergus-county.json returns the active alerts, the last 30 days and the 12-month counts for Fergus County, refreshed every minute. Please cache responses and credit National Weather Service as the source.

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Add Fergus County in Forecast Bar and every NWS warning, watch and advisory arrives as a push notification the moment it is issued, on iPhone, iPad, Apple Watch, Mac and Apple TV.

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