Weather Alerts for Montana

Recent Locations: Edgewood, IL Lexington, MA Huntley, MT

1. High Wind Warning for: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; Northern Phillips; Southwest Phillips; Northern Valley

2. High Wind Warning for: Daniels; Sheridan; Western Roosevelt; McCone; Richland; Dawson; Prairie; Wibaux; Eastern Roosevelt

3. High Wind Warning for: Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft

4. High Wind Warning for: Red Lodge Foothills

5. Red Flag Warning for: Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; Southern Petroleum and Southern Garfield Counties

6. Red Flag Warning for: Northern Rosebud/Northern Treasure Counties; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest

7. Special Weather Statement for: Central and Southern Valley; Western Roosevelt; Garfield; McCone; Richland

8. Special Weather Statement for: Southern High Plains; Eastern Pondera and Eastern Teton; Western and Central Chouteau County; Cascade County below 5000ft; Gates of the Mountains; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains

9. Wind Advisory for: Livingston Area; Beartooth Foothills

10. Winter Storm Warning for: Absaroka/Beartooth Mountains

11. Winter Storm Warning for: Crazy Mountains

12. Winter Storm Warning for: Gallatin and Madison County Mountains and Centennial Mountains

13. Winter Storm Warning for: Judith Basin County and Judith Gap

14. Winter Storm Warning for: Little Belt and Highwood Mountains

15. Winter Weather Advisory for: Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains

16. Winter Weather Advisory for: Big Belt, Bridger and Castle Mountains

17. Winter Weather Advisory for: Bitterroot/Sapphire Mountains

18. Winter Weather Advisory for: Butte/Blackfoot Region

19. Winter Weather Advisory for: Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Beaverhead and Western Madison below 6000ft

20. Winter Weather Advisory for: Cascade County below 5000ft

21. Winter Weather Advisory for: East Glacier Park Region; Northern High Plains

22. Winter Weather Advisory for: Gallatin Valley

23. Winter Weather Advisory for: Helena Valley

24. Winter Weather Advisory for: Northern Valley

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

26. Winter Weather Advisory for: Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains

27. Winter Weather Advisory for: West Glacier Region

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Current U.S. National Radar--Current

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National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

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.

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds