National Weather Service United States Department of Commerce
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Last Map Update: Fri, Oct 30, 2026 at 2:38:30 pm PDT

The low that is currently over the PNW is going to push moisture into the Central Valley over the weekend! This'll make for a cloudy Halloween 🧛🎃 and a wet Sunday ☔. Here's the current probabilities of exceeding a quarter of an inch of rain (0.25"). It's a fast moving system, however. Come Monday, ridging will have taken place, hence the abrupt drop in rain chances.
Ooooh spoookyyy 👻. Whether you're out trick-or-treating, staying in, or handing out candy, you'll want to know what sort of tricks the weather may play! However, this forecast is nothing but treats 🍫🍬! The trough in place will strengthen and combine with a low to bring a chance of a wetting rain (0.10" or greater) Saturday night for those trick-or-treaters in the Foothills. Throughout the entire Valley, overnight lows are looking to be a range from the mid 40s to the low 50s. The number on the left hand side is the best case scenario (colder temps 🥶), while the number on the right is the worst case scenario (warmer temps 🥵).

 

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