Hurricane Lala formed Saturday on a path to make a rare landfall on Hawaii’s Big Island.

The eye wall was forecast to move over or near the island’s southern end by the evening, lashing its worst winds at volcanic slopes thousands of feet above sea level.

Hawaii is on alert for significant rain and wind from Tropical Storm Lala, which will spread across the islands through the weekend. Lala is expected to strengthen as it approaches and could become the first hurricane since at least 1900 to make landfall on the Big Island of Hawaii. Due to the risk of flooding rain, strong winds and dangerous rip currents, the storm is rated a 1 on the AccuWeather RealImpact™ Scale for Hurricanes in Hawaii. The first bands of rain and gusty winds are expected to reach the Big Island Friday afternoon, with impacts spreading across the Hawaiian Islands through the weekend. Small changes in Lala’s track could significantly alter where the heaviest rain and strongest winds occur. “Whether Lala becomes a hurricane will depend on the exact track of the storm. A more southern track will lead to warmer waters for the storm to track over, along with less interaction with the islands themselves,” AccuWeather Meteorologist Nicholas Arman said. “Should the storm track farther south from…