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WWUS85 KBYZ 182304
SPSBYZ

Special Weather Statement
National Weather Service Billings MT
504 PM MDT Fri Sep 18 2026

MTZ138-WYZ199-190000-
Southern Big Horn MT-Sheridan Foothills WY-
504 PM MDT Fri Sep 18 2026

...AN AREA OF STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN BIG HORN
AND CENTRAL SHERIDAN COUNTIES UNTIL 6 PM MDT...

At 504 PM MDT, Doppler radar was tracking an area of strong
thunderstorms extending from over Ranchester to 29 miles southeast of
Sheridan moving northeast at 20 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Trained Weather Spotters.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
  Sheridan, Ranchester, Dayton, Big Horn, Clearmont, Tongue River
  Reservoir, Banner, Rosebud Battlefield Park and Leiter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Heavy rainfall is also occurring with these storms and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4500 10723 4525 10709 4518 10677 4517 10627
      4507 10626 4499 10626 4456 10623 4456 10684
      4458 10689 4462 10691 4463 10694 4463 10696
      4488 10730
TIME...MOT...LOC 2303Z 199DEG 16KT 4494 10715 4481 10686 4468 10676
4449 10655

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

$$