Alert archive / Idaho / Wind Advisories in 2026
Wind Advisory 21, NWS Pocatello, ID
NWS Pocatello, ID issued this wind advisory at May 15, 2026, 10:04 PM MDT for 12 counties in Idaho. It took effect at May 16, 2026, 12:00 PM MDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 2026, 10:04 PM MDT (04:04 UTC)
- In effect from
- May 16, 2026, 12:00 PM MDT
- Expired
- May 16, 2026, 10:00 PM MDT
- In force
- 10 hr
- Issued by
- NWS Pocatello, ID
Counties Bannock County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Cassia County, ID, Fremont County, ID, Jefferson County, ID, Lincoln County, ID, Madison County, ID, Minidoka County, ID, Power County, ID
The radar
The Pocatello radar (KSFX), 18 km from the middle of the area, began a volume at 04:06 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Boise Airport, ID (KBOI), launched 00:00Z, 4.1 hours before the alert went out and 280 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2487 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
216 WWUS75 KPIH 160404 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 1004 PM MDT Fri May 15 2026 IDZ051>055-162000- /O.NEW.KPIH.WI.Y.0021.260516T1800Z-260517T0400Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain-Eastern Magic Valley- Including the cities of INL, American Falls, Idaho Falls, Rexburg, St. Anthony, Mud Lake, Rupert, Shelley, Heyburn, Fort Hall, Blackfoot, Shoshone, Carey, Burley, Pocatello, Oakley, Craters of the Moon NM, and Richfield 1004 PM MDT Fri May 15 2026 ...WIND ADVISORY IN EFFECT FROM NOON TO 10 PM MDT SATURDAY... * WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...From noon to 10 PM MDT Saturday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Blowing dust with reduced visibility is also possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. && $$ Visit weather.gov/pocatello for more information. JKeyes
3 follow-up statements
233 WWUS75 KPIH 160708 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 108 AM MDT Sat May 16 2026 IDZ051>055-162215- /O.NEW.KPIH.FZ.A.0005.260517T0900Z-260517T1500Z/ /O.CON.KPIH.WI.Y.0021.260516T1800Z-260517T0400Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain-Eastern Magic Valley- Including the cities of Heyburn, Craters of the Moon NM, Burley, Oakley, Shelley, Mud Lake, Blackfoot, Pocatello, Fort Hall, American Falls, Rupert, INL, Shoshone, Rexburg, St. Anthony, Richfield, Carey, and Idaho Falls 108 AM MDT Sat May 16 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... * WHAT...For the Wind Advisory, west winds 25 to 35 mph with gusts up to 50 mph expected. For the Freeze Watch, sub-freezing temperatures 27 to 32 degrees. A hard freeze is likely for portions of the Watch area. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...For the Wind Advisory, from noon today to 10 PM MDT this evening. For the Freeze Watch, from late tonight through Sunday morning. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. Take steps now to protect tender plants from the cold. && $$ Visit weather.gov/pocatello for more information. Cropp
351 WWUS75 KPIH 161919 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 119 PM MDT Sat May 16 2026 IDZ051>055-170415- /O.UPG.KPIH.FZ.A.0005.260517T0900Z-260517T1500Z/ /O.NEW.KPIH.FZ.W.0014.260517T0900Z-260517T1500Z/ /O.CON.KPIH.WI.Y.0021.000000T0000Z-260517T0400Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain- Lower Snake River Plain-Eastern Magic Valley- Including the cities of Fort Hall, Pocatello, Oakley, Heyburn, Craters of the Moon NM, American Falls, INL, Mud Lake, Idaho Falls, Carey, Shelley, Rexburg, Rupert, Blackfoot, Shoshone, Richfield, Burley, and St. Anthony 119 PM MDT Sat May 16 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING... ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT SUNDAY... * WHAT...For the Wind Advisory, west winds 25 to 35 mph with gusts up to 55 mph. For the Freeze Warning, sub-freezing temperatures 27 to 32 degrees. A hard freeze is possible from Craters of the Moon to Mud Lake. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...For the Wind Advisory, until 10 PM MDT this evening. For the Freeze Warning, from 3 AM to 9 AM MDT Sunday. * IMPACTS...Gusty winds could make driving difficult, especially for high profile vehicles. Unsecured objects may be blown around. 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... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. 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. && $$ Visit weather.gov/pocatello for more information. DMH
105 WWUS75 KPIH 170337 NPWPIH URGENT - WEATHER MESSAGE National Weather Service Pocatello ID 937 PM MDT Sat May 16 2026 IDZ054-171200- /O.EXP.KPIH.WI.Y.0021.000000T0000Z-260517T0400Z/ /O.NEW.KPIH.LW.Y.0005.260517T2100Z-260518T0300Z/ /O.CON.KPIH.FZ.W.0014.260517T0900Z-260517T1500Z/ Lower Snake River Plain- Including the cities of Pocatello, Blackfoot, American Falls, Shelley, and Fort Hall 937 PM MDT Sat May 16 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT SUNDAY... ...LAKE WIND ADVISORY IN EFFECT FROM 3 PM TO 9 PM MDT SUNDAY FOR AMERICAN FALLS RESERVOIR... ...WIND ADVISORY WILL EXPIRE AT 10 PM MDT THIS EVENING... * WHAT...For the Freeze Warning, sub-freezing temperatures 27 to 32 degrees are expected. For the Lake Wind Advisory for American Falls Reservoir, north to northeast winds 10 to 15 mph with gusts up to 25 mph expected. * WHERE...Lower Snake River Plain. * WHEN...For the Freeze Warning, from 3 AM to 9 AM MDT Sunday. For the Lake Wind Advisory, from 3 PM to 9 PM MDT Sunday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Boaters on area lakes should use extra caution since strong winds and rough waves can overturn small craft. Take steps now to protect tender plants from the cold. && $$ IDZ051>053-055-171200- /O.EXP.KPIH.WI.Y.0021.000000T0000Z-260517T0400Z/ /O.CON.KPIH.FZ.W.0014.260517T0900Z-260517T1500Z/ Shoshone/Lava Beds-Arco/Mud Lake Desert-Upper Snake River Plain- Eastern Magic Valley- Including the cities of INL, Burley, Idaho Falls, St. Anthony, Heyburn, Carey, Shoshone, Richfield, Rexburg, Oakley, Mud Lake, Rupert, and Craters of the Moon NM 937 PM MDT Sat May 16 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM MDT SUNDAY... ...WIND ADVISORY WILL EXPIRE AT 10 PM MDT THIS EVENING... * WHAT...Sub-freezing temperatures 27 to 32 degrees. A hard freeze is possible from Craters of the Moon to Mud Lake. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, and Upper Snake River Plain. * WHEN...From 3 AM to 9 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. && $$ Visit weather.gov/pocatello for more information. 13
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 1:08 AM MDT | Freeze Watch | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more | 12 hr |
| May 16, 1:19 PM MDT | Freeze Warning | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more | 20 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.