Weather Alerts for Montana

Recent Locations: Raymond, SD   Moore, MT  

1. Avalanche Warning for: Kootenai/Cabinet Region

2. Avalanche Warning for: Kootenai/Cabinet Region; West Glacier Region

3. High Wind Warning for: Northern Sweet Grass; Melville Foothills

4. High Wind Warning for: Red Lodge Foothills

5. High Wind Watch for: Cascade County below 5000ft; Judith Basin County and Judith Gap; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains

6. High Wind Watch for: Central and Southeast Phillips; Northern Phillips; Southwest Phillips

7. High Wind Watch for: East Glacier Park Region; Northern High Plains; Southern Rocky Mountain Front; Southern High Plains

8. High Wind Watch for: Eastern Glacier, Western Toole, and Central Pondera

9. High Wind Watch for: Helena Valley

10. High Wind Watch for: Judith Gap; Southern Wheatland

11. High Wind Watch for: Livingston Area; Beartooth Foothills

12. High Wind Watch for: Meagher County Valleys; Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Gallatin Valley; Beaverhead and Western Madison below 6000ft

13. High Wind Watch for: Northern Blaine County

14. High Wind Watch for: Northern Stillwater; Golden Valley

15. High Wind Watch for: Northern Sweet Grass; Melville Foothills

16. High Wind Watch for: Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine

17. Wind Advisory for: Livingston Area; Beartooth Foothills

18. Winter Storm Warning for: Absaroka/Beartooth Mountains

19. Winter Storm Warning for: Crazy Mountains

20. Winter Weather Advisory for: Bitterroot/Sapphire Mountains

21. Winter Weather Advisory for: Butte/Blackfoot Region

22. Winter Weather Advisory for: East Glacier Park Region; Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass

23. Winter Weather Advisory for: Little Belt and Highwood Mountains

24. Winter Weather Advisory for: Lower Clark Fork Region

25. Winter Weather Advisory for: Northwest Beaverhead County

26. Winter Weather Advisory for: Potomac/Seeley Lake Region

27. Winter Weather Advisory for: Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains

28. Winter Weather Advisory for: West Glacier Region

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

Weather Topic: What is Rain?

Home - Education - Precipitation - Rain

Rain Next Topic: Shelf Clouds

Precipitation in the form of water droplets is called rain. Rain generally has a tendency to fall with less intensity over a greater period of time, and when rainfall is more severe it is usually less sustained.

Rain is the most common form of precipitation and happens with greater frequency depending on the season and regional influences. Cities have been shown to have an observable effect on rainfall, due to an effect called the urban heat island. Compared to upwind, monthly rainfall between twenty and forty miles downwind of cities is 30% greater.

Next Topic: Shelf Clouds

Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

Sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

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