Special Weather Statement
Issued by NWS Boise, ID
Issued by NWS Boise, ID
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WWUS85 KBOI 182228
SPSBOI
Special Weather Statement
National Weather Service Boise ID
428 PM MDT Sat Jul 18 2026
IDZ014>016-030-182300-
Southern Twin Falls County ID-Upper Treasure Valley ID-
Western Magic Valley ID-Southwest Highlands ID-
428 PM MDT Sat Jul 18 2026
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL TWIN FALLS AND EAST
CENTRAL OWYHEE COUNTIES THROUGH 500 PM MDT...
At 427 PM MDT, Doppler radar was tracking a strong thunderstorm 8
miles west of Castleford, or 28 miles southwest of Jerome, moving
north at 15 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Areas of blowing dust possible. Minor
damage to outdoor objects is possible.
This storm will remain over mainly rural areas of west central Twin
Falls and east central Owyhee Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4244 11499 4247 11512 4270 11512 4262 11479
TIME...MOT...LOC 2227Z 199DEG 13KT 4256 11503
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
NF