Received reports of severe thunderstorm wind gusts.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS PIH wrote it up.
Received reports of severe thunderstorm wind gusts.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pocatello, ID wrote its last area forecast discussion before the first event at Aug 14, 12:42 PM MST, 2 hours 33 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Pocatello ID 142 PM MDT Thu Aug 14 2025 .KEY MESSAGES... - Critical to near critical fire weather conditions will remain through the weekend - Showers and thunderstorms are possible daily, with gusty winds being the main risk - Temperatures will be cooler for the next few days but still close to just above average && .SHORT TERM /THROUGH FRIDAY NIGHT/... Issued at 121 PM MDT Thu Aug 14 2025 Yet another afternoon of showers and thunderstorms is upon us. Expect the highest and best chances to occur 1) across the South Hills/Albion Mountains and southeast highlands, and 2) occur through sunset. The HREF continues to show a 30-70% chance of gusts over 35, with stronger storms pushing 55 mph. There is a low chance of gusts over 60 mph across southern areas which lines up with the MARGINAL RISK from the folks at SPC in Norman. In reality, any outflow boundary or downburst (as we saw Wednesday) could push winds that high...but down south is the most likely area. Rainfall will be at a premium, some storms may produce measurable rain. OUTSIDE of storms, gusts of 25-35 mph are likely over a good chunk of central and eastern Idaho. For tonight and Friday morning, a few showers and storms remain possible mainly south of the Snake Plain...but the higher resolution models are trying to crank out a few cells farther north. Given what has occurred the past couple of morning, we wouldn't be surprised to see something out of those. We did limit chances for now to 15% or less. For tomorrow afternoon, yet another round of showers and storms are forecast. The pattern basically remains unchanged, so that puts better potential for storms down south. The chance of gusts over 35 mph is very low for anything that develops north of the Snake River...around 10%. Farther south, it's a 30-70% chance for that with higher gusts closer to 50 mph. We might see a little better chance of storms across the Magic Valley and Snake Plain, but for now left it at a slight chance. For winds outside of storms, speeds comes down a bit but still looking at 20-30 mph with locally higher gusts. The strongest of those winds will across the central mountains, Arco Desert, and along the Montana border. && .LONG TERM /SATURDAY THROUGH WEDNESDAY/... Issued at 121 PM MDT Thu Aug 14 2025 Seeing good ensemble agreement among GEFS/EPS means and cluster analysis data with the synoptic pattern through the weekend and early next week. Southwest flow aloft will prevail over the weekend, lodged between an upper low off the Canadian BC coast and upper ridging over the eastern half of the CONUS. While still limited, atmospheric moisture peaks Saturday/Sunday per EPS mean precipitable water data, reaching 130-150 percent of normal, as a remnant Pacific moisture plume advects over the area. This combined with shortwave energy embedded in the southwest flow aloft will support shower/thunderstorm potential Saturday and Sunday, peaking on Sunday. The anticipated increased moisture/cloud cover will shave a few degrees off temperatures from Saturday to Sunday, bringing them back very close to normal for mid-August to close out the weekend. As we head into early next week, upper ridging retrogrades/amplifies over the Rockies and Great Basin, bringing a warming and drying trend to the local area. Will see lower elevation high temperatures reach the 90s daily Monday through Thursday per latest NBM guidance, with higher elevations reaching the 70s and 80s. Winds should at least be lighter next week beneath the upper ridge compared to the daily breezy conditions we're seeing this week. Shower/thunderstorm chances currently look to hold generally below 15 percent next Monday through Thursday. && .AVIATION /18Z TAFS THROUGH 18Z FRIDAY/... Issued at 1148 AM MDT Thu Aug 14 2025 Isolated to scattered showers and thunderstorms will redevelop over the area this afternoon and evening as lift ahead of a mid-level shortwave acts on mid-level moisture in place. Have maintained PROB30 groups for thunderstorms at KBYI and KDIJ where HREF thunder probabilities paint percentages closer to 30 percent. HREF thunder probs drop off to the northwest, and thus have continued a VCSH mention at KIDA and KPIH where confidence in TSRA is lower but could still see some convective activity nearby. All showers/storms should remain south and east of KSUN. Strong wind gusts up to 40-45 kts may accompany the strongest storms today. Outside of thunderstorms, look for a breezy afternoon/early evening with west/southwest winds gusting up to 20-25 kts. Both winds and thunderstorm potential diminish after sunset. && .FIRE WEATHER... Issued at 121 PM MDT Thu Aug 14 2025 Another day with thunderstorms, gusty winds, and low humidity is here. OUTSIDE of storms, winds are gusting 25-35 mph and this will continue into this evening. Thunderstorm coverage will remain isolated EXCEPT for areas south of the Snake Plain (zones 413 and 427). Lightning has been a little slow to develop thanks to earlier cloud cover and isolated storms. Some of the higher resolution models show that may actually be enough to keep lightning isolated, but we are not confident on that scenario. Wind gusts over 35 mph are likely with a lot of these storms, with gusts over 45 mph likely. We do have a risk of gusts over 60 mph closer to the Utah border, and that fits will previous and current forecasts. We should see a few showers and storms overnight especially across the mountains south toward Utah, last through most of Friday morning. By afternoon, you guessed it...more showers and thunderstorms. Coverage will be highest in the same areas as today. We may see a few more storms across the Magic Valley and Snake Plain, but not enough to push things above isolated. Winds outside of storms tomorrow are a bit lower, but still gusts 25-30 mph across the central mountains, the Arco Desert and along the Montana border. All RED FLAG WARNINGs for today remain in effect through this evening. We will issue another round of RED FLAG WARNINGS for Zones 413 and 427 for scattered storms. We will NOT issue anything right now other zones as widespread critical conditions are not expected. We will likely see some pockets here and there of wind, low humidity, and/or isolated storms...but not enough to hit the button. For the weekend, we will likely see critical to near critical fire weather conditions across most if not all of central and eastern Idaho at some point during that period. && .PIH WATCHES/WARNINGS/ADVISORIES... Red Flag Warning until 10 PM MDT this evening for IDZ410-411- 413-427-475-476. && SHORT TERM...Keyes LONG TERM...KB AVIATION...KB FIRE WEATHER...Keyes
Special Weather Statement
National Weather Service Pocatello ID
110 PM MDT Thu Aug 14 2025
IDZ063-064-142000-
Big Hole Mountains ID-Caribou Range ID-
110 PM MDT Thu Aug 14 2025
...THUNDERSTORMS WILL IMPACT PALISADES RESERVOIR THROUGH 200 PM
MDT...
At 107 PM MDT, Doppler radar was tracking a cluster of thunderstorms
near Palisades Reservoir, moving northeast at 20 mph.
HAZARD...Wind gusts in excess of 35 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Palisades Reservoir, Irwin, and Alpine Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If on or near Palisades Reservoir, get out of the water and move
indoors or inside a vehicle. Strong winds will create rough chop.
Remember, lightning can strike out to 10 miles from the parent
thunderstorm. If you can hear thunder, you are close enough to be
struck by lightning. Move to safe shelter now! Do not be caught on
the water in a thunderstorm.
&&
LAT...LON 4306 11115 4336 11136 4348 11105 4311 11104
TIME...MOT...LOC 1907Z 242DEG 18KT 4326 11118
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...35 MPH
KBThe Pocatello radar (KSFX), 102 km away, was scanning. The volume nearest the first event began at 22:16 UTC.
3 thunderstorm wind. Local standard time, as filed.
A 66 mph thunderstorm outflow wind gust recorded at the Juniper Interchange on interstate 84.
A 58 mph wind gust measured at the Blue Dome mesonet site.
The mesonet station PC624 Alton East recorded a 60 mph thunderstorm outflow wind gust.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Idaho in 2025Every state in 2025This day in weather historyWarnings in Idaho, August 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1288736, 1288770, 1288744.