FLOOD WATCH FOR THE STATE OF HAWAII TODAY THROUGH FRIDAY. * WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. All the main Hawaiian islands. * WHEN. Through Friday evening. * 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 developing to our north will bring the potential for heavy rain and thunderstorms over the Aloha State today through at least Friday. The highest chance for excessive rainfall appears to be over Oahu and possibly Maui county starting tonight, and persisting through Thursday. The focus for heavy rainfall then likely shifts toward Kauai on Friday. However, these details could change, and all areas should be prepared for the possibility of flash flooding.