Thursday, May 18, 2017

Triple-digit heat to make its season debut next week

From the National Weather Service:
Valley heat this weekend into early next week could peak into the low 100s for the Northern Sacramento Valley. This would be the first triple digit heat event of 2017 so we encourage people to follow heat safety tips to prevent heat related illness. Avoid seeking heat relief in mountain streams and rivers as they are running cold and swift from snow melt. Hypothermia can set in very quickly and cause drownings. From Sunday into much of next week, a low pressure system will linger offshore that may trigger mountain thunderstorms.

Impacts
Increased potential for heat related illness this weekend into early next week
Snow melt will cause mountain rivers and streams to run very cold and very swift
Localized lightning, gusty winds, small hail possible if mountain thunderstorms develop

Forecast Confidence
High in temperatures
Low in thunderstorms

Timing and Strength
Saturday-Sunday

Valley highs peaking in the mid to upper 90s
Slight chance of mountain thunderstorms on Sunday
Monday-Tuesday
Valley temperatures peaking in the upper 90s to low 100s
Tuesday expected to be the hottest day for northern Sacramento valley (delta breeze may bring cooling to Sacramento Metro region)
Slight chance of mountain thunderstorms persist

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