FloodZoneMap.org

Flood — Sac, IA

Jul 5, 2003

A strong mesoscale system moved across the northern one-third of the HSA during the early morning hours of the 4th producing numerous severe thunderstorms with high winds. The fast movement of the system precluded heavy rainfall, with generally 0.50 to 0.75" across the far northern river basins and rapidly diminishing amounts southward. Among the 24-hour rainfall reports at 12Z July 4 were 1.04" at Estherville (EST); 0.79" at Tripoli (TPLI4); 0.71" at Estherville DCP (ESVI4); 0.70" at Mason Cit

Source: NOAA National Weather Service Storm Events Database (event 5367214). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Sac, IA

This event is one of many recorded floods in Sac County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Sac County flood data →

More Flood Stories

Flood$200K damage

Sac, IA · Mar 15, 2019

Reports from the 13h through the 19th in this entry. ||A relatively deep and widespread snowpack existed across the region during early to mid March.

Read the full account →
Flood$50K damage

Sac, IA · Dec 14, 2015

Heavy rain that fell across the state in mid-December led to river flooding at many locations across central and southern Iowa. The ground was already saturated from a wet fall, with new rainfall of one to 3 inches fell across the area in a two-day span.

Read the full account →
Flash Flood$250K damage

Sac, IA · Jul 23, 2010

A very unstable atmosphere was in place over Iowa with CAPE values around 2000 J/kg and lifted indices in the -8 to -10 C range. Precipitable water increased to around 2.25 inches along a boundary that extended from northeast into west central Iowa.

Read the full account →
Flood$250K damage

Sac, IA · Apr 25, 2007

A strong low pressure developed over eastern Colorado and moved southeast into northern Oklahoma by the 24th. Deep moisture was pulled north ahead of the low with surface dew points in the low 70s reaching northern Oklahoma.

Read the full account →