Iowa Severe Flash Flood Warning | Effective 06/17/2026 07:47
At 947 AM CDT, Emergency Management in Linn County reported flash
flooding near 33rd Ave SW and 6th St SW as well as on Wylie Blvd
north of Johnson Ave NW. Between 1 and 3 inches of rain have fallen
this morning. Additional rainfall amounts up to 0.5 inches are
possible in the warned area. Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Emergency management reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,