If you have outdoor plans over the next 24 hours, you are likely going to have to cancel them as rain will be increasing in coverage by the afternoon.
This rainfall will likely be intense at times as rainfall rates could exceed 1 inch per hour at times. This will cause rainfall to quickly add up in some spots, which may lead to excessive rainfall amounts in a short amount of time. This is why the Weather Prediction Center has outlined western Iowa in a moderate risk for these excessive rainfall totals. The heaviest of rain is forecast to fall from late afternoon Friday through the early morning hours on Saturday, before eventually clearing out of the state by Saturday afternoon.
Rainfall accumulations by Saturday will range from 1 to 3 inches, with isolated areas possibly ending up with 3 to 5 inches. Flash flooding is possible in low lined, or poorly drained areas. This is why a flash flash flood watch has been issued until Saturday morning.
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