Weather Alerts for Montana

Recent Locations: Centerton, AR Lake View, IA Victor, MT

1. Lake Wind Advisory for: Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone

2. Winter Storm Warning for: Absaroka/Beartooth Mountains; Crazy Mountains

3. Winter Storm Warning for: Little Belt and Highwood Mountains; Gallatin and Madison County Mountains and Centennial Mountains

4. Winter Storm Warning for: Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains

5. Winter Storm Warning for: Southern Big Horn; Bighorn Canyon; Sheridan Foothills

6. Winter Storm Warning for: Southern Rosebud

7. Winter Storm Watch for: Custer; Fallon; Powder River; Carter

8. Winter Storm Watch for: Dawson; Prairie; Wibaux

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

10. Winter Weather Advisory for: Butte/Blackfoot Region

11. Winter Weather Advisory for: Cascade County below 5000ft; Judith Basin County and Judith Gap; Fergus County below 4500ft; Snowy and Judith Mountains

12. Winter Weather Advisory for: East Glacier Park Region; Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Elkhorn and Boulder Mountains; Northwest Beaverhead County

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

14. Winter Weather Advisory for: Ruby Mountains and Southern Beaverhead Mountains

15. Winter Weather Advisory for: Treasure; Northern Rosebud; Northern Big Horn; Northeastern Yellowstone; Southwestern Yellowstone

16. 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).

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 Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain

Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail