Hilo residents can expect a rainy and windy weekend, with numerous showers forecast to continue into Sunday. For the remainder of tonight, the skies will remain cloudy with a significant chance of locally heavy rainfall. Temperatures near the shore will dip between 57 to 66 degrees, while those at higher elevations will experience lows from 47 to 55 degrees. East winds are expected to shift to the northwest after midnight, with a rain chance of around 70 percent.
On Sunday, the forecast calls for continued cloudiness, scattered showers, and a slight chance of thunderstorms. High temperatures will reach 73 to 78 degrees at coastal areas and 57 to 62 degrees at elevations of 4,000 feet, accompanied by northwest winds picking up to 10 mph before shifting to the northeast by the afternoon. The chance of rain climbs to 80 percent.
In Kona, conditions will be mostly cloudy with isolated showers tonight, leading to temperatures between 67 to 72 degrees near the shore and cooler at higher elevations. The likelihood of rain is lower here, set at 20 percent. Sunday promises a similar forecast with possible thunderstorms, as highs reach around 81 degrees near the shore.
Waimea is bracing for a bracing night ahead with numerous showers and a strong chance of rain. Winds could reach up to 20 mph, with gusts expected to increase on Sunday, potentially becoming very windy with gusts up to 65 mph. Sunday and Sunday Night will maintain a high likelihood of showers, and flash flooding remains a concern.
Similar conditions are expected across Kohala, where heavy rainfall could be widespread from tonight into Sunday, and breezy conditions persist. South Big Island neighborhoods can look forward to scattered showers, while gusty winds tonight could make conditions challenging.
The detailed forecast highlights a stalled cold front that has prompted the issuance of a Flash Flood Warning for the Big Island, following reports of over 7 inches of rain in Honokaa within just three hours. While widespread heavy rain will persist, a high-pressure system to the north will result in dangerous gusts, with expectations for wind gusts potentially exceeding 60 mph.
A Winter Storm Warning is in effect for the Big Island’s summits from Sunday morning through Monday, with heavy snowfall expected. As conditions gradually improve towards the middle of the week, residents are reminded to stay informed about ongoing weather alerts and exercise caution outdoors.
Overall, while the weekend will be marked by challenging weather conditions with potential flooding, the forecast shows a pathway for improving conditions as the week progresses, allowing residents to look forward to calmer days ahead.