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Sacramento (STO) — the National Weather Service forecast in plain English · Plaincast

What is an Area Forecast Discussion?

Area Forecast Discussions are the real forecasts, written 3 to 4 times daily by NWS meteorologists reading the models and interpreting what they mean for your area. They offer far deeper insight than any weather app, but they're written in dense meteorological shorthand. Plaincast uses Anthropic's Claude to summarize them into plain English, side by side with the annotated original.

Area Forecast Discussion · National Weather Service Sacramento (STO) · issued Sunday, August 23 at 11:33 AM PDT.

Revised in 5 passages since the 11:59 AM discussion. See every revision.

Messages

Dry with seasonable high temperatures through the next week.

Slight but uncertain chance for isolated thunderstorms on Monday.

Discussion

Some high clouds visible moving across interior NorCal today on GOES West Satellite imagery. Still, conditions remain dry with seasonable temperatures. Valley highs primarily in the 90s today, with 80s to 90s at higher elevations. Breezy onshore conditions, though less windy today than the last few days.

The remainder of the week, upper level low pressure to the northwest and high pressure to the east will continue the pattern of periodically breezy onshore winds, with seasonable high temperatures and cooler overnight lows. Early Monday morning there is a less than 5% chance for an isolated thunderstorm to develop over the western portion of the southern Sacramento Valley, though there is very little confidence in this occuring. Monday afternoon and evening, there is up to a 10% chance for isolated thunderstorms along and east of the Sierra crest, including near the Burney Basin.

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