A weak upper level low brought flash flooding and strong thunderstorms over Lowman, ID and Featherville, ID.

Flash Flood in CAMAS, IDAHO
From 04-AUG-23 13:27:00 to 04-AUG-23 15:27:00 (MST-7)
Location: BLAINE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Accumulating water on roadways. Traffic on US-20 slowed to 40 mph. Motorcyclists were trapped. A spotter reported 2.65 inches of rain in the last hour.

Hail in CAMAS, IDAHO
From 04-AUG-23 15:00:00 to 04-AUG-23 15:23:00 (MST-7)
Location: BLAINE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

This corrects previous hail reports from 8 miles East of Fairfield. The largest hailstones reported were estimated to be quarter-sized, half-inch hail  preceded the largest hailstones.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 03:45:00 to 04-AUG-23 04:45:00 (MST-7)
Location: MOUNTAIN HOME
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

The CoCoRaHS station ID-EL-3 0.9 miles southwest of Mountain Home measured 1.32 inches of rain.

Heavy Rain in BOISE, IDAHO
From 04-AUG-23 05:00:00 to 04-AUG-23 06:00:00 (MST-7)
Location: STEIRMAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

The CoCoRaHS station ID-BS-8 12.3 miles northeast of Boise City measured 0.94 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 11:00:00 to 04-AUG-23 13:00:00 (MST-7)
Location: PRAIRIE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station PRAI1 0.6 miles northeast of Prairie measured 1.30 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 15:46:00 to 04-AUG-23 16:46:00 (MST-7)
Location: FEATHERVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station CW0406 in Pine, ID measured 0.96 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 14:52:00 to 04-AUG-23 15:52:00 (MST-7)
Location: (MUO)MOUNTAIN HOME A
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station MTHI1 on Mountain Home AFB measured 0.85 inches of rain.

Heavy Rain in OWYHEE, IDAHO
From 04-AUG-23 11:00:00 to 04-AUG-23 13:00:00 (MST-7)
Location: TRIANGLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station SMTI1 16.6 miles southeast of Jordan Valley measured 0.80 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 15:30:00 to 04-AUG-23 16:30:00 (MST-7)
Location: ANDERSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station ARAI1 bear Anderson Dam measured 0.73 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 15:37:00 to 04-AUG-23 16:37:00 (MST-7)
Location: PINE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station LCRI1 at NRAWS 13 measured 0.72 inches of rain.

Heavy Rain in CAMAS, IDAHO
From 04-AUG-23 15:50:00 to 04-AUG-23 16:50:00 (MST-7)
Location: FAIRFIELD ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station FW8833 measured 0.71 inches of rain.

Heavy Rain in ELMORE, IDAHO
From 04-AUG-23 12:00:00 to 04-AUG-23 13:00:00 (MST-7)
Location: ROCKY BAR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station TRMI1 8.7 miles west of Featherville measured 0.90 inches of rain.

Heavy Rain in OWYHEE, IDAHO
From 04-AUG-23 13:00:00 to 04-AUG-23 14:00:00 (MST-7)
Location: REYNOLDS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station RYCI 7.6 miles northwest of Reynolds, ID measured 0.70 inches of rain.