United States / Mountain West / Montana
Jefferson County, Montana, Sunday, October 11, 2026
Official Warning‹ Sat, Oct 10Sunday, October 11, 2026Mon, Oct 12 ›Right nowAlert me about Jefferson County
Version 3 of 3
Version 1 · Oct 12, 12:19 AM MDTVersion 2 · Oct 12, 10:38 PM MDTVersion 3 · Oct 13, 10:30 PM MDT7 official warnings recorded: Winter Storm Warning. We can’t see: Safety, Roads And Transit, Local News, Health.
7Warnings recorded
0Headlines that day
0Events published
0Held, not published
The Morning Brief
As of 6 a.m., there are no scheduled public government meetings, utility outages, or notable air quality concerns reported for the county. Official warning: “Winter Storm Warning issued October 10 at 10:40PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT” Official warning: “Winter Storm Warning issued October 10 at 4:13PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT” Official warning: “Winter Storm Warning issued October 10 at 10:56AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT” Official warning: “Winter Storm Warning issued October 10 at 12:32AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT” Official warning: “Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
Written by our system from the sources below, version 1, Oct 12, 6:32 AM MDT. Official warnings are never rewritten: they are quoted as issued.
Official Warnings Recorded, Quoted In Full
Winter Storm Warning
“Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy, wet snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 40 mph. * WHERE...Helena Valley, Madison River Valley, and Missouri Headwaters. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 11, 10:29 AM MDT · expires Oct 12, 1:30 AM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 11 at 10:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy, wet snow. Additional snow accumulations between 4 and 9 inches. * WHERE...Elkhorn and Boulder Mountains, Little Belt and Highwood Mountains, and Snowy and Judith Mountains. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 11, 10:29 AM MDT · expires Oct 12, 1:30 AM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 10 at 10:40PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy, wet snow expected. Total snow accumulations between 8 and 16 inches. Highest snowfall amounts in the northern slopes between 4500 feet and 6500 feet. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains, Little Belt and Highwood Mountains, and Snowy and Judith Mountains. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 10, 10:40 PM MDT · expires Oct 11, 3:15 PM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 10 at 4:13PM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy, wet snow expected. Total snow accumulations between 6 and 12 inches. Highest snowfall amounts in the northern slopes between 4500 feet and 6500 feet. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains, Little Belt and Highwood Mountains, and Snowy and Judith Mountains. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 10, 4:13 PM MDT · expires Oct 11, 7:15 AM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 10 at 10:56AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy, wet snow expected. Total snow accumulations between 6 and 12 inches. Highest snowfall amounts in the northern slopes between 4500 feet and 6500 feet. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains, Little Belt and Highwood Mountains, and Snowy and Judith Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 10, 10:56 AM MDT · expires Oct 11, 6:00 AM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 10 at 12:32AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 40 mph. * WHERE...Elkhorn and Boulder Mountains, Little Belt and Highwood Mountains, and Snowy and Judith Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 10, 12:32 AM MDT · expires Oct 10, 6:30 PM MDT · Issuer
Winter Storm Warning
“Winter Storm Warning issued October 9 at 11:29AM MDT until October 12 at 6:00AM MDT by NWS Great Falls MT”
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 45 mph. * WHERE...Elkhorn and Boulder Mountains and Little Belt and Highwood Mountains. * WHEN...From 6 PM Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. Gusty winds combined with the wet and heavy nature of the snow could bring down tree branches. Isolated power outages are possible. * ADDITIONAL DETAILS...Snowfall amounts will vary drastically from grassy surfaces to roadways, most notably at lower elevations, with accumulations on non-grassy surfaces being confined mainly to between the evening through late morning hours.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
National Weather Service · issued Oct 9, 11:29 AM MDT · expires Oct 10, 6:00 AM MDT · Issuer
What Each Status Rests On
Open a topic for its recordsWeatherOfficial Warning7 official warnings in effect: Winter Storm Warning.
Weather
Official Warning7 official warnings in effect: Winter Storm Warning.
Official Warnings
All 7 quoted in full, as issued.
Readings are kept only as each site’s latest, so this day’s readings are not on record.
GovernmentQuietNo headline or meeting from this topic’s sources is on record for this day.
Government
QuietNo headline or meeting from this topic’s sources is on record for this day.
Meetings That Day
No meeting was on an agenda we read for this day.
AirQuietNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Air
QuietNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Readings are kept only as each site’s latest, so this day’s readings are not on record.
PowerQuietNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Power
QuietNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Readings are kept only as each site’s latest, so this day’s readings are not on record.
SafetyCan’t SeeNo headline from this topic’s sources is on record for this day.
Safety
Can’t SeeNo headline from this topic’s sources is on record for this day.
Roads And TransitCan’t SeeNo headline from this topic’s sources is on record for this day.
Roads And Transit
Can’t SeeNo headline from this topic’s sources is on record for this day.
Local NewsCan’t SeeNo headline from this topic’s sources is on record for this day.
Local News
Can’t SeeNo headline from this topic’s sources is on record for this day.
HealthCan’t SeeNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Health
Can’t SeeNo headline from this topic’s sources is on record for this day, and readings are not kept day by day.
Readings are kept only as each site’s latest, so this day’s readings are not on record.
Events · No event in this county met our bar to publish in this window.