textproduct: Sacramento

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

KEY MESSAGES

- Well-above normal temperatures and areas of Moderate HeatRisk today-Friday, with low chances for isolated mountain showers and thunderstorms.

- Increased onshore flow this weekend-Monday combined with low daytime RHs will lead to elevated fire weather conditions in the Valley.

- Cooler temperatures expected this weekend and into mid next week, nearing seasonal normals by Tuesday.

..The Weekend-Wednesday

Cooler temperatures are on track for this weekend and into early next week as broad troughing develops over the region, strengthening onshore flow. High temperatures cool to near- seasonal for mid to late May by Saturday. West-southwesterly winds through the Valley will be breezy through the weekend with gusts 15 to 25 mph. Onshore winds peak on Monday as an upper low digs down from the Pacific Northwest into the vicinity of the Great Basin. Forecast gusts are between 25 and 40 mph, with the strongest gusts expected through the Delta, in the northeastern Sierra foothills, and over the Sierra. Gusty onshore winds combined with Valley min RHs in the teens will lead to elevated fire weather conditions Saturday-Monday, despite gradually improving overnight recoveries.

This gradual cooling trend continues into early-mid next week when temperatures could fall a few degrees below normal on Tuesday. A high degree of uncertainty persists on how far east/west the aforementioned upper low will track and the amount of moisture associated with it, which could bring chances for light mountain showers midweek. Forecast confidence will continue to increase as we approach the weekend, so be sure to check back for updates.

AVIATION

VFR conditions are expected over the next 24 hours. Onshore winds increase after 20Z Thursday, with some gusts up to 15 kts possible through 06z Friday in the Valley. Stronger west-southwest winds 10 to 15 kts with gusts up to 20 kts expected in the Delta through 18z Friday. Onshore winds will continue to be breezy tomorrow.

STO WATCHES/WARNINGS/ADVISORIES

None.

IMPORTANT This is an independent project and has no affiliation with the National Weather Service or any other agency. Do not rely on this website for emergency or critical information: please visit weather.gov for the most accurate and up-to-date information available.

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