Active Weather Alerts
Dense Fog Advisory
Issued: 6:31 AM Sep. 17, 2026 – National Weather Service
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING... * WHAT...Visibility less than one half mile in dense fog. * WHERE...Portions of central and southern Iowa. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&
Flood Watch
Issued: 1:24 AM Sep. 17, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and southern Iowa. * WHEN...Through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A band of heavier rain is expected overnight. Already saturated conditions have lowered the rainfall needed for flash flooding impacts. PRECAUTIONARY/PREPAREDNESS ACTIONS... For the latest stream observations and forecasts refer to weather.gov/desmoines/water. &&
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