Freeze Warning
Status
New Event Active alertStart Time
Sun 04/19/2026 02:00 AM EDTEnd Time
Sun 04/19/2026 12:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Pocatello, ID ∙ Idaho Falls, ID ∙ Declo, ID ∙ Firth, ID ∙ Atomic City, ID ∙ Menan, ID ∙ Tyhee, ID ∙ Rexburg Madison County Airport, ID ∙ Paul, ID ∙ Groveland, IDFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 116 PM MDT Fri Apr 17 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM MDT SATURDAY... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT SATURDAY NIGHT TO 10 AM MDT SUNDAY... * WHAT...Lows tonight will drop to between 22 and 26 degrees, which would be a Hard Freeze. Lows for Sunday morning will range 28 to 32 degrees. A Hard Freeze is not expected for most areas. * WHERE...Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...For the first Freeze Warning, from midnight tonight to 10 AM MDT Saturday. For the second Freeze Warning, from midnight Saturday Night to 10 AM MDT Sunday. * 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.
Technical Header
IDZ052>054-181000- /O.NEW.KPIH.FZ.W.0004.260419T0600Z-260419T1600Z/ /O.CON.KPIH.FZ.W.0003.260418T0600Z-260418T1600Z/ Arco/Mud Lake Desert-Upper Snake River Plain-Lower Snake River Plain- Including the cities of Mud Lake, Shelley, INL, Rexburg, Pocatello, St. Anthony, Blackfoot, Fort Hall, American Falls, Craters of the Moon NM, and Idaho Falls 116 PM MDT Fri Apr 17 2026
