WWUS75 KPIH 050606

NPWPIH



URGENT - WEATHER MESSAGE

National Weather Service Pocatello ID

1206 AM MDT Tue May 5 2026



IDZ054-060300-

/O.NEW.KPIH.FZ.W.0013.260506T0900Z-260506T1500Z/

/O.CON.KPIH.LW.Y.0001.260505T1200Z-260506T0300Z/

Lower Snake River Plain-

Including the cities of Pocatello, Fort Hall, Blackfoot, Shelley,

and American Falls

1206 AM MDT Tue May 5 2026



...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 9 

PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR...

...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...



* WHAT...For the Lake Wind Advisory for American Falls Reservoir, 

  northeast winds 15 to 20 mph with gusts up to 30 mph expected. For 

  the Freeze Warning, sub-freezing temperatures 27 to 32 expected.



* WHERE...Lower Snake River Plain.



* WHEN...For the Lake Wind Advisory, from 6 AM this morning to 9 PM 

  MDT this evening. For the Freeze Warning, from 3 AM to 9 AM MDT 

  Wednesday.



* IMPACTS...Strong winds and rough waves on area lakes will create 

  hazardous conditions for small craft. Frost and freeze conditions 

  could kill crops, other sensitive vegetation and possibly damage 

  unprotected outdoor plumbing.



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.



&&



$$



IDZ052-053-060300-

/O.NEW.KPIH.FZ.W.0013.260506T0900Z-260506T1500Z/

Arco/Mud Lake Desert-Upper Snake River Plain-

Including the cities of INL, Rexburg, Craters of the Moon NM, Mud

Lake, St. Anthony, and Idaho Falls

1206 AM MDT Tue May 5 2026



...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...



* WHAT...Sub-freezing temperatures 25 to 32 expected.



* WHERE...Arco/Mud Lake Desert and Upper Snake River Plain.



* WHEN...From 3 AM to 9 AM MDT Wednesday.



* 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.



&&



$$



IDZ051-055-060300-

/O.NEW.KPIH.FR.Y.0004.260506T0900Z-260506T1500Z/

Shoshone/Lava Beds-Eastern Magic Valley-

Including the cities of Burley, Shoshone, Rupert, Heyburn, Carey,

Oakley, and Richfield

1206 AM MDT Tue May 5 2026



...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...



* WHAT...Temperatures 30 to 34 will result in frost formation.



* WHERE...Eastern Magic Valley and Shoshone/Lava Beds.



* WHEN...From 3 AM to 9 AM MDT Wednesday.



* 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.



GK