Buena Vista storm history

Rainfall amounts across Buena Vista County from June 20-22 ranged from around a quarter of an inch across southern areas to nearly 3 inches across northern areas. Farther north and upstream, 3 to 7 inches of rain fell across portions of northwest Iowa. This rainfall resulted in m…

Flooding resulted in extensive damage to public infrastructure including numerous county and township roads, culverts, and some bridges.

Intermittent short duration blizzard or near-blizzard conditions occurred, divided by a longer improvement in conditions as falling snow ended for a time during the late afternoon and evening. When gusty northwest winds from 35 to 55 mph were concurrent with light snowfall, which…

Sustained winds reached around 40 to 48 mph with a gust as high as 60 mph 3 miles southwest of Storm Lake.

Snowfall totaled 3.2 inches at Sioux Rapids and 2.6 inches at Storm Lake.

Wind chills reached as low as -33 degrees 3 miles southwest of Storm Lake.

Synoptic northwest winds were occasionally sustained from 40 to 47 mph with gusts as high as 61 mph at an Automated Weather Observing System site 3 miles southwest of Storm Lake.

Snowfall totaled 6.5 inches at Marathon and 5.3 inches at Storm Lake.

A long-duration snowfall totaled 9.8 inches at Storm Lake and 8.6 inches in Sioux Rapids.

Sustained winds reached 40 to 44 mph at times with a peak gust of 58 mph at an Automated Weather Observing System site 2 miles southwest of Storm Lake.

Snowfall totaled 3.6 inches at Sioux Rapids.

Dangerous heat index values peaked as high as 109 degrees at Storm Lake and 2 miles northeast of Truesdale, and 106 degrees 3 miles southwest of Storm Lake on August 16.

Heat index values peaked as high as 104 degrees 2 miles northeast of Alta and 102 degrees 2 miles northeast of Truesdale.

A 60 mph thunderstorm wind gust was measured at Storm Lake Municipal Airport (KSLB).

Dangerous heat index readings reached an afternoon peak on July 27 as high as 116 degrees near Alta, 109 degrees in Storm Lake, and 108 degrees near Rembrandt.

Dangerous heat index readings reached afternoon peaks as high as 109 degrees near Larrabee and 106 degrees in Storm Lake on July 23.

Daily afternoon and evening heat indices ranged from 105 to 113 degrees with a maximum heat index of 113 degrees at a personal weather station near Alta on June 21 and 109 degrees near Storm Lake on June 20.

Trees and power lines were downed in residential areas south of downtown Storm Lake.

Tree, power line, and roof damage occurred along business Highway 71. Most roof damage was to metal roofing and building soffits, with one building suffering the collapse of an unsupported cinder block wall. Several semi-trucks were tipped over. A large hardwood tree trunk was sn…

Winds were measured by a personal weather station.

Snowfall totaled 8.0 inches in Sioux Rapids and Storm Lake. Northwest winds gusted between 40 and 55 mph with a peak gust of 63 mph reported by the AWOS at Storm Lake Municipal Airport (KSLB). The combination of snow and wind resulted in widespread white-out conditions, especiall…

Sustained winds occasionally reached 40 to 46 mph during the morning and early afternoon hours. A peak wind gust of 63 mph was recorded at 1215 CST by the AWOS at Storm Lake Municipal Airport (KSLB) and a 59 mph gust was recorded at 0720 CST by a private weather station near Alta…

A 58 mph thunderstorm wind gust was measured by a personal weather station.

A 61 mph thunderstorm wind gust was measured by a personal weather station.

A 58 mph thunderstorm wind gust was measured by the Iowa Department of Transportation mesonet site near Truesdale.

Sustained winds reached from 40 to 47 mph at times with gusts as high as 59 mph near Storm Lake and Truesdale.

Snowfall totaled 4.0 inches at Storm Lake and 3.0 inches at Sioux Rapids, and northwest winds were sustained from 40 to 47 mph at times with gusts up to 59 mph near Storm Lake and Truesdale. Wind and snowfall combined to result in widespread white-out conditions at times, especia…

Winds were sustained from 30 to 36 mph with a peak gust of 53 mph near Rembrandt and 49 mph near Storm Lake.

The lowest wind chills ranged from 35 to 40 below zero with 40 below zero observed at the Storm Lake Municipal Airport (KSLB) and the Iowa Department of Transportation site near Storm Lake.

The lowest wind chills ranged from 35 to 37 below zero with 37 below zero observed at the Storm Lake Municipal Airport (KSLB).

Snowfall totaled 2.0 inches at Storm Lake.

The lowest wind chills ranged from 35 to 38 below zero with 38 below zero observed at the Storm Lake Municipal Airport (KSLB).

Winds were sustained at times from 30 to 37 mph, with gusts up to 51 mph near Storm Lake and 47 mph near Rembrandt.

Winds were occasionally sustained from 30 to 35 mph with gusts as high as 45 mph near Storm Lake.

Winds were sustained from 30 to 37 mph with gusts to 55 mph near Rembrandt and 54 mph near Storm Lake.

Wind gusts up to 49 mph occurred near Storm Lake and 45 mph near Rembrandt.

Severe (D2) drought at the start of November improved to moderate (D1) status at mid-month with 2 to 3 inches of rainfall during the first half of the month.

Severe (D2) drought developed with precipitation from 5 to 6 inches below normal since August 1.

Afternoon and early evening heat index values reached as high as 117 degrees at Alta on August 25 and at Storm Lake on August 26.

Afternoon heat index values peaked at 111 degrees at a personal weather station near Alta and 104 degrees near Storm Lake.

Two-day heat index values peaked very briefly at 105 degrees at a personal weather station near Alta, as well as 102 degrees at a Iowa Road Weather Information System site near Rembrandt and 100 degrees at a personal weather station near Storm Lake.

Heat index values reached 111 degrees near Alta and 105 degrees near Rembrandt.

Daily afternoon and evening heat indices ranged from 100 to 108 degrees with a maximum heat index of 108 degrees at a Road Weather Information System site near Rembrandt and 106 degrees at the Automated Weather Observing System site near Storm Lake on July 13. Heat index values r…

Flooding continued from June on the Little Sioux River at Linn Grove, with declining river levels. The river fell below flood stage on the afternoon of July 2nd.

The Little Sioux River at Linn Grove rose above flood stage the morning of June 21st, cresting around 11.97 feet above flood stage (29.97 feet) on June 23rd. This crest is in the Major Stage and broke the previous record. The river stayed above flood stage into July. For a more c…

Strong synoptic winds gusted up to 53 mph near Storm Lake and 50 mph near Rembrandt.