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Air Stagnation Advisory 0003
Issued by the Pocatello Forecast Office

Action Issued Starts Expiration
New 2026-02-03 13:24:18 2026-02-03 13:24:00 2026-02-09 12:00:00
Continued 2026-02-06 13:16:21 2026-02-09 12:00:00
Cancelled 2026-02-07 12:43:19 2026-02-09 12:00:00


Action: New
Issued At: 2026-02-03 13:24:18

916 
WWUS75 KPIH 031924
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1224 PM MST Tue Feb 3 2026

IDZ054-059-091800-
/O.NEW.KPIH.AS.Y.0003.260203T1924Z-260209T1800Z/
Lower Snake River Plain-Franklin/Eastern Oneida Region-
Including the cities of Shelley, Preston, Thatcher, Pocatello,
Fort Hall, Blackfoot, American Falls, and Malad
1224 PM MST Tue Feb 3 2026

...AIR STAGNATION ADVISORY IN EFFECT UNTIL 11 AM MST MONDAY...

* WHAT...Poor air quality will develop Wednesday and continue 
  through the weekend. This is due to an inversion and stagnant air 
  conditions near the surface that will continue to trap pollutants.

* WHERE...Franklin/Eastern Oneida Region and Lower Snake River Plain.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Periods of air stagnation can lead to the buildup of 
  pollutants near the surface.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If possible, reduce or eliminate activities that contribute to air 
pollution, such as outdoor burning, and the use of residential wood 
burning devices. Reduce vehicle trips and vehicle idling as much as 
possible. Check with local agencies for possible restrictions in 
your area.

&&

$$

Visit weather.gov/pocatello for more information.

GK


Action: Continued
Issued At: 2026-02-06 13:16:21

588 
WWUS75 KPIH 061916
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1216 PM MST Fri Feb 6 2026

IDZ054-059-091800-
/O.CON.KPIH.AS.Y.0003.000000T0000Z-260209T1800Z/
Lower Snake River Plain-Franklin/Eastern Oneida Region-
Including the cities of American Falls, Pocatello, Blackfoot,
Malad, Preston, Thatcher, Fort Hall, and Shelley
1216 PM MST Fri Feb 6 2026

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST 
MONDAY...

* WHAT...Poor air quality will continue. This is due to an inversion 
  and stagnant air conditions near the surface that will continue to 
  trap pollutants.

* WHERE...Franklin/Eastern Oneida Region and Lower Snake River Plain.

* WHEN...Until 11 AM MST Monday.

* IMPACTS...Periods of air stagnation can lead to the buildup of 
  pollutants near the surface.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If possible, reduce or eliminate activities that contribute to air 
pollution, such as outdoor burning, and the use of residential wood 
burning devices. Reduce vehicle trips and vehicle idling as much as 
possible. Check with local agencies for possible restrictions in 
your area.

&&

$$

Visit weather.gov/pocatello for more information.

JKeyes


Action: Cancelled
Issued At: 2026-02-07 12:43:19

272 
WWUS75 KPIH 071843
NPWPIH

URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1143 AM MST Sat Feb 7 2026

IDZ054-059-071945-
/O.CAN.KPIH.AS.Y.0003.000000T0000Z-260209T1800Z/
Lower Snake River Plain-Franklin/Eastern Oneida Region-
Including the cities of Malad, American Falls, Pocatello,
Blackfoot, Preston, Fort Hall, Thatcher, and Shelley
1143 AM MST Sat Feb 7 2026

...AIR STAGNATION ADVISORY IS CANCELLED...

Air quality has improved over the past 24 hours and will continue as 
the next storm moves in tomorrow and Monday. Therefore, the advisory 
has ended.

$$

Visit weather.gov/pocatello for more information.

JKeyes



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