Montana Department of Transportation

Main Content

Accidents and Incidents Report

Special Weather Statement

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Note:  Be sure to pay close attention to the date and time of each warning.    
This document contains all warnings in the state so please read the
complete document.
 
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WWUS85 KBYZ 231710

SPSBYZ



Special Weather Statement

National Weather Service Billings MT

1110 AM MDT Wed Oct 23 2019



MTZ138-WYZ198-199-231915-

Southern Big Horn-Northeast Bighorn Mountains-Sheridan Foothills-

1110 AM MDT Wed Oct 23 2019



...AN AREA OF SNOW WILL AFFECT SOUTH CENTRAL BIG HORN AND WESTERN 

SHERIDAN COUNTIES...



At 1109 AM MDT, an area of snow was located along a line extending 

from near Lodge Grass to 6 miles northeast of Horseshoe Bend. 

Movement was southeast at 15 mph. Expect improving conditions by 

1230 PM MDT. 



Locations impacted include...

Sheridan, Ranchester, Dayton, Lodge Grass, Granite Pass, Wyola,

Parkman and Burgess Junction.



Visibilities will drop quickly to less than a quarter of a mile in

this area of heavy snow.



Conditions can deteriorate rapidly in winter weather situations. Be

prepared for snow or ice covered roads. Slow down and allow extra

time when traveling.



LAT...LON 4460 10738 4463 10752 4466 10752 4469 10758

      4468 10767 4472 10775 4477 10775 4479 10783

      4490 10785 4500 10791 4500 10766 4503 10771

      4507 10766 4511 10769 4513 10772 4511 10778

      4519 10783 4534 10736 4482 10666 4457 10737

TIME...MOT...LOC 1709Z 322DEG 15KT 4526 10740 4500 10814 



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Borsum



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WWUS85 KGGW 222301

SPSGGW



Special Weather Statement

National Weather Service Glasgow MT

501 PM MDT Tue Oct 22 2019

 

MTZ022-222345-

Garfield MT-

501 PM MDT Tue Oct 22 2019



...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN GARFIELD COUNTY

UNTIL 545 PM MDT...



At 500 PM MDT, Doppler radar was tracking a strong thunderstorm near

Sand Springs, or 30 miles southwest of Jordan, moving east at 55 mph.



Pea size hail and wind gusts of 50 to 55 mph will be possible with

this storm.



Locations impacted include...

Sand Springs and Edwards. 



LAT...LON 4686 10672 4686 10738 4699 10769 4721 10753

      4701 10657 4684 10667 4684 10672

TIME...MOT...LOC 2300Z 286DEG 49KT 4705 10743 



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Mottice



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WWUS85 KMSO 222238

SPSMSO



Special Weather Statement

National Weather Service Missoula MT

438 PM MDT Tue Oct 22 2019

 

MTZ007-222300-

Butte/Blackfoot Region MT-

438 PM MDT Tue Oct 22 2019



...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN POWELL COUNTY UNTIL

500 PM MDT...



At 437 PM MDT, Doppler radar was tracking a strong thunderstorm near

Garrison, or 14 miles north of Deer Lodge, moving southeast at 45

mph.



Wind gusts up to 50 mph will be possible with this storm.



Locations impacted include...

Garrison, Avon, Brock Creek, Elliston and Goldcreek. 



LAT...LON 4645 11231 4644 11232 4642 11231 4639 11235

      4639 11240 4636 11242 4635 11245 4633 11246

      4634 11247 4634 11250 4633 11250 4655 11297

      4671 11284 4654 11230

TIME...MOT...LOC 2237Z 299DEG 41KT 4660 11281 



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WWUS85 KTFX 231549

SPSTFX



Special Weather Statement

National Weather Service Great Falls MT

949 AM MDT Wed Oct 23 2019



MTZ009-231800-

Northern Rocky Mountain Front-

Including the cities of Logan Pass, Marias Pass, Browning, 

and Heart Butte

949 AM MDT Wed Oct 23 2019



...PERIODS OF SNOW EXPECTED THIS MORNING...



Snow is falling along the Rocky Mountain Front this morning. Snow

will bring reduced visibility and slippery conditions on snow 

covered and icy roads. Snow should gradually end through mid-day. 

Additional accumulations of generally an inch or less can be 

expected. 



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