CALIFORNIA, USA — As temperatures have remained manageable in the 90s for the last few weeks, triple digits are set to arrive and stick around for the week.
An Excessive Heat Watch is in effect from Tuesday 11:00 am until Friday night. The Sacramento area is expecting temperatures from 106-108. Meanwhile even hotter temperatures are expected further north in Redding with temperatures ranging from 106-110.
Moderate to major heat risk will impact the valley and foothills causing potential for heat related illness. Those sensitive to heat are advised to limit time outside and stay cool in air conditioned places.
High pressure will build over the western US and coastline, pushing the jet stream and any significant cooling further north into Canada. As the heat builds, overnight lows will not recover well. Tuesday, Wednesday, and Thursday morning lows are expected to be in the upper 60s and low 70s for the valley and foothills.
Mountain thunderstorms are also expected to return as another surge on monsoonal moisture comes in from the desert southwest. Thunderstorms and isolated downpours are possible for the Sierra and even foothill areas Tuesday through Thursday.
NEED MORE DETAILS? Check out our hourly forecast and radar pages.
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