644
WWUS75 KPIH 180320
NPWPIH
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE POCATELLO ID
920 PM MDT SUN MAY 17 2026
IDZ051-052-181200-
/O.CON.KPIH.FZ.W.0015.260518T0900Z-260518T1500Z/
SHOSHONE/LAVA BEDS-ARCO/MUD LAKE DESERT-
INCLUDING THE CITIES OF CRATERS OF THE MOON NM, INL, MUD LAKE,
CAREY, RICHFIELD, AND SHOSHONE
920 PM MDT SUN MAY 17 2026
..FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY
* WHAT...SUB-FREEZING TEMPERATURES 28 TO 32 EXPECTED.
* WHERE...SHOSHONE/LAVA BEDS AND ARCO/MUD LAKE DESERT.
* WHEN...FROM 3 AM TO 9 AM MDT MONDAY.
* IMPACTS...FROST AND FREEZE CONDITIONS COULD KILL CROPS, OTHER
SENSITIVE VEGETATION AND POSSIBLY DAMAGE UNPROTECTED OUTDOOR
PLUMBING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
IDZ054-181200-
/O.NEW.KPIH.LW.Y.0006.260518T1200Z-260519T0300Z/
/O.CON.KPIH.FR.Y.0005.260518T0900Z-260518T1500Z/
LOWER SNAKE RIVER PLAIN-
INCLUDING THE CITIES OF AMERICAN FALLS, SHELLEY, FORT HALL,
POCATELLO, AND BLACKFOOT
920 PM MDT SUN MAY 17 2026
..FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY
...LAKE WIND ADVISORY IN EFFECT FROM 6 AM TO 9 PM MDT MONDAY FOR
AMERICAN FALLS RESERVOIR...
* WHAT...FOR THE FROST ADVISORY, TEMPERATURES 32 TO 36 WILL RESULT
IN FROST FORMATION. AREAS ALONG THE INTERSTATES FROM BURLEY TO
POCATELLO TO IDAHO FALLS MAY REMAIN WARMER THAN 36.
FOR THE LAKE WIND ADVISORY FOR AMERICAN FALLS RESERVOIR, NORTH WINDS
20 TO 30 MPH WITH GUSTS UP TO 40 MPH EXPECTED.
* WHERE...LOWER SNAKE RIVER PLAIN.
* WHEN...FOR THE FROST ADVISORY, FROM 3 AM TO 9 AM MDT MONDAY.
FOR THE LAKE WIND ADVISORY, FROM 6 AM TO 9 PM MDT MONDAY.
* IMPACTS...STRONG WINDS AND ROUGH WAVES ON AREA LAKES WILL CREATE
HAZARDOUS CONDITIONS FOR SMALL CRAFT.
FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BOATERS ON AREA LAKES SHOULD USE EXTRA CAUTION SINCE STRONG WINDS
AND ROUGH WAVES CAN OVERTURN SMALL CRAFT.
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
IDZ053-055-181200-
/O.CON.KPIH.FR.Y.0005.260518T0900Z-260518T1500Z/
UPPER SNAKE RIVER PLAIN-EASTERN MAGIC VALLEY-
INCLUDING THE CITIES OF REXBURG, RUPERT, HEYBURN, ST. ANTHONY,
OAKLEY, IDAHO FALLS, AND BURLEY
920 PM MDT SUN MAY 17 2026
..FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT MONDAY
* WHAT...TEMPERATURES 32 TO 36 WILL RESULT IN FROST FORMATION. AREAS
ALONG THE INTERSTATES FROM BURLEY TO POCATELLO TO IDAHO FALLS MAY
REMAIN WARMER THAN 36 TONIGHT.
* WHERE...EASTERN MAGIC VALLEY AND UPPER SNAKE RIVER PLAIN.
* WHEN...FROM 3 AM TO 9 AM MDT MONDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
VISIT WEATHER.GOV/POCATELLO FOR MORE INFORMATION.
WYATT
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