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Home Return to list Freeze Warning 0016 Issued by the Pocatello Forecast Office
Action: New Issued At: 2026-05-18 13:09:35 972 WWUS75 KPIH 181809 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 1209 PM MDT Mon May 18 2026 IDZ054-191100- /O.NEW.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ /O.CON.KPIH.LW.Y.0006.000000T0000Z-260519T0300Z/ Lower Snake River Plain- Including the cities of Shelley, Blackfoot, American Falls, Fort Hall, and Pocatello 1209 PM MDT Mon May 18 2026 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...For the Lake Wind Advisory for American Falls Reservoir, north winds 10 to 20 mph with gusts up to 30 mph. For the Freeze Warning, sub-freezing temperatures as low as 20 expected. * WHERE...Lower Snake River Plain. * WHEN...For the Lake Wind Advisory, until 9 PM MDT this evening. For the Freeze Warning, from midnight tonight to 9 AM MDT Tuesday. * 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. && $$ IDZ052-053-191100- /O.NEW.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Including the cities of Craters of the Moon NM, St. Anthony, INL, Rexburg, Mud Lake, and Idaho Falls 1209 PM MDT Mon May 18 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 20 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ051-055-191100- /O.NEW.KPIH.FR.Y.0006.260519T0900Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Shoshone, Rupert, Heyburn, Richfield, Burley, Oakley, and Carey 1209 PM MDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT TUESDAY... * WHAT...Temperatures as low as 26 will result in frost formation. * WHERE...Eastern Magic Valley and Shoshone/Lava Beds. * WHEN...From 3 AM to 9 AM MDT Tuesday. * 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. && $$ Visit weather.gov/pocatello for more information. Messick Action: New Issued At: 2026-05-18 13:09:35 972 WWUS75 KPIH 181809 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 1209 PM MDT Mon May 18 2026 IDZ054-191100- /O.NEW.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ /O.CON.KPIH.LW.Y.0006.000000T0000Z-260519T0300Z/ Lower Snake River Plain- Including the cities of Shelley, Blackfoot, American Falls, Fort Hall, and Pocatello 1209 PM MDT Mon May 18 2026 ...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...For the Lake Wind Advisory for American Falls Reservoir, north winds 10 to 20 mph with gusts up to 30 mph. For the Freeze Warning, sub-freezing temperatures as low as 20 expected. * WHERE...Lower Snake River Plain. * WHEN...For the Lake Wind Advisory, until 9 PM MDT this evening. For the Freeze Warning, from midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. Take steps now to protect tender plants from the cold. && $$ IDZ052-053-191100- /O.NEW.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Including the cities of Craters of the Moon NM, St. Anthony, INL, Rexburg, Mud Lake, and Idaho Falls 1209 PM MDT Mon May 18 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 20 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * 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. && $$ IDZ051-055-191100- /O.NEW.KPIH.FR.Y.0006.260519T0900Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Shoshone, Rupert, Heyburn, Richfield, Burley, Oakley, and Carey 1209 PM MDT Mon May 18 2026 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT TUESDAY... * WHAT...Temperatures as low as 26 will result in frost formation. * WHERE...Eastern Magic Valley and Shoshone/Lava Beds. * WHEN...From 3 AM to 9 AM MDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Visit weather.gov/pocatello for more information. Messick Action: Continued Issued At: 2026-05-18 21:35:37 965 WWUS75 KPIH 190235 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 835 PM MDT Mon May 18 2026 IDZ054-191200- /O.EXP.KPIH.LW.Y.0006.000000T0000Z-260519T0300Z/ /O.CON.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Lower Snake River Plain- Including the cities of Pocatello, Fort Hall, American Falls, Shelley, and Blackfoot 835 PM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... ...LAKE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WHAT...Sub-freezing temperatures ranging from 25 to 32 expected. * WHERE...Lower Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * 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. && $$ IDZ052-053-191200- /O.CON.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Including the cities of Rexburg, Craters of the Moon NM, St. Anthony, INL, Idaho Falls, and Mud Lake 835 PM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures ranging from 25 to 32 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ051-055-191200- /O.CON.KPIH.FR.Y.0006.260519T0900Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Oakley, Carey, Burley, Rupert, Shoshone, Heyburn, and Richfield 835 PM MDT Mon May 18 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT TUESDAY... * WHAT...Temperatures ranging from 33 to 36 will result in frost formation. * WHERE...Eastern Magic Valley and Shoshone/Lava Beds. * WHEN...From 3 AM to 9 AM MDT Tuesday. * 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. && $$ Visit weather.gov/pocatello for more information. 13 Action: Continued Issued At: 2026-05-18 21:35:37 965 WWUS75 KPIH 190235 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 835 PM MDT Mon May 18 2026 IDZ054-191200- /O.EXP.KPIH.LW.Y.0006.000000T0000Z-260519T0300Z/ /O.CON.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Lower Snake River Plain- Including the cities of Pocatello, Fort Hall, American Falls, Shelley, and Blackfoot 835 PM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... ...LAKE WIND ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING... * WHAT...Sub-freezing temperatures ranging from 25 to 32 expected. * WHERE...Lower Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IDZ052-053-191200- /O.CON.KPIH.FZ.W.0016.260519T0600Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain- Including the cities of Rexburg, Craters of the Moon NM, St. Anthony, INL, Idaho Falls, and Mud Lake 835 PM MDT Mon May 18 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT TUESDAY... * WHAT...Sub-freezing temperatures ranging from 25 to 32 expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...From midnight tonight to 9 AM MDT Tuesday. * 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. && $$ IDZ051-055-191200- /O.CON.KPIH.FR.Y.0006.260519T0900Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Oakley, Carey, Burley, Rupert, Shoshone, Heyburn, and Richfield 835 PM MDT Mon May 18 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT TUESDAY... * WHAT...Temperatures ranging from 33 to 36 will result in frost formation. * WHERE...Eastern Magic Valley and Shoshone/Lava Beds. * WHEN...From 3 AM to 9 AM MDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Visit weather.gov/pocatello for more information. 13 Action: Continued Issued At: 2026-05-19 02:44:16 717 WWUS75 KPIH 190744 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 144 AM MDT Tue May 19 2026 IDZ052>054-191500- /O.CON.KPIH.FZ.W.0016.000000T0000Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain-Lower Snake River Plain- Including the cities of Fort Hall, Mud Lake, Shelley, St. Anthony, Idaho Falls, Rexburg, INL, Pocatello, Craters of the Moon NM, American Falls, and Blackfoot 144 AM MDT Tue May 19 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 25 degrees. More populated areas will be around to 28 to 32 degrees. * WHERE...Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...Until 9 AM MDT this morning. * 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. && $$ IDZ051-055-191500- /O.CON.KPIH.FR.Y.0006.260519T0900Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Heyburn, Rupert, Burley, Oakley, Carey, Richfield, and Shoshone 144 AM MDT Tue May 19 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Temperatures from 32 to 36 degrees will result in frost formation. * WHERE...Eastern Magic Valley and Shoshone/Lava Beds. * WHEN...Until 9 AM MDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Visit weather.gov/pocatello for more information. JKeyes Action: Expired Issued At: 2026-05-19 09:50:17 774 WWUS75 KPIH 191449 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 849 AM MDT Tue May 19 2026 IDZ052>054-191600- /O.EXP.KPIH.FZ.W.0016.000000T0000Z-260519T1500Z/ Arco/Mud Lake Desert-Upper Snake River Plain-Lower Snake River Plain- Including the cities of Shelley, INL, Mud Lake, Craters of the Moon NM, Fort Hall, Pocatello, Idaho Falls, Rexburg, American Falls, Blackfoot, and St. Anthony 849 AM MDT Tue May 19 2026 ...FREEZE WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING... The threat has ended. $$ IDZ051-055-191600- /O.EXP.KPIH.FR.Y.0006.000000T0000Z-260519T1500Z/ Shoshone/Lava Beds-Eastern Magic Valley- Including the cities of Burley, Rupert, Oakley, Heyburn, Carey, Shoshone, and Richfield 849 AM MDT Tue May 19 2026 ...FROST ADVISORY WILL EXPIRE AT 9 AM MDT THIS MORNING... The threat has ended. $$ Visit weather.gov/pocatello for more information. AM | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||