Several occurrences of severe thunderstorm wind gusts and flooding with heavy rain were reported on September 21st.

Flood in BANNOCK, IDAHO
From 21-SEP-22 18:30:00 to 21-SEP-22 23:00:00 (MST-7)
Location: POCATELLO
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

Extensive street and road flooding occurred on the evening of the 21st in the Pocatello/Chubbuck area as rains in excess of a half inch fell.  The intersection of East Oak St and Yellowstone Ave flooded.  The Center Street Underpass accumulated 18 to 24 inches of water.  Flooding at N 3rd Ave and E Fremont St affected a business.  Hawthorne Rd flooded with deep water at the interstate 86 underpass and was closed from 830 pm to 10 pm MDT.  US Route 30 also closed between Hawthorne Rd and W Cedar St.

Thunderstorm Wind in ONEIDA, IDAHO
From 21-SEP-22 16:00:00 to 21-SEP-22 16:15:00 (MST-7)
Location: JUNIPER
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 59 mph gust measured at Pilot Gold.

Funnel Cloud in BANNOCK, IDAHO
From 21-SEP-22 18:28:00 to 21-SEP-22 18:40:00 (MST-7)
Location: POCATELLO
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A funnel cloud reported south of Pocatello near the Portneuf gap.

Thunderstorm Wind in FREMONT, IDAHO
From 21-SEP-22 21:23:00 to 21-SEP-22 21:35:00 (MST-7)
Location: ST ANTHONY
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The Gas Caves RAWS recorded a 58 mph wind gust.

Thunderstorm Wind in CASSIA, IDAHO
From 21-SEP-22 17:19:00 to 21-SEP-22 17:30:00 (MST-7)
Location: IDAHOME
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Raft River RAWS measured a 73 mph wind gust.

Thunderstorm Wind in POWER, IDAHO
From 21-SEP-22 18:00:00 to 21-SEP-22 18:15:00 (MST-7)
Location: ROCKLAND
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Several large trees damaged with a few down along East Fork or Rock Creek east, southeast of Rockland.

Thunderstorm Wind in BLAINE, IDAHO
From 21-SEP-22 12:54:00 to 21-SEP-22 13:05:00 (MST-7)
Location: BELLEVUE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

The Timmerman Hill ITD site measured a 59 mph thunderstorm outflow gust.

Thunderstorm Wind in MINIDOKA, IDAHO
From 21-SEP-22 13:30:00 to 21-SEP-22 13:40:00 (MST-7)
Location: PAUL
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The agrimet station RPTI1 recorded a 58 mph wind gust.

Thunderstorm Wind in BLAINE, IDAHO
From 21-SEP-22 13:44:00 to 21-SEP-22 14:00:00 (MST-7)
Location: HAILEY
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 58 mph wind gust measured at Ohio Gulch RAWS.

Thunderstorm Wind in BUTTE, IDAHO
From 21-SEP-22 15:20:00 to 21-SEP-22 15:30:00 (MST-7)
Location: HOWE ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 61 mph gust measured at the Dead Man Canyon FRD site.

Thunderstorm Wind in BUTTE, IDAHO
From 21-SEP-22 15:30:00 to 21-SEP-22 15:41:00 (MST-7)
Location: ARCO
Magnitude: 59.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 68 mph wind gust measured at the ITD INL Puzzle site.