* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through Sunday afternoon. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - A kona low west of the islands has drawn abundant moisture northward. Rounds of moderate to heavy rainfall are anticipated. The heaviest rain is expected to last through tonight, except for the Big Island where the heaviest rain is expected Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&