Shasta County, California – A high-stakes weekend weather pattern is brewing across Northern California as temperatures climb and thunderstorm chances rise, raising the threat of wildfires and power disruptions across Shasta County and beyond.
According to the National Weather Service in Sacramento, a 15–30% probability of thunderstorms is in effect Saturday, August 16 through Sunday, August 17, for the Coast Range, northern Sacramento Valley, and southern Cascades. The storms are expected between 11 a.m. and 8 p.m. PDT, with lightning, gusty winds, small hail, and brief downpours possible. Fire starts from dry lightning remain a top concern in dry terrain across the region.
Friday will stay sunny and hot, with a high near 93°F in Whitmore and light winds. Outdoor activities and travel across Hwy 44, Hwy 89, and mountain roads should be completed early Saturday before instability peaks. Residents should charge devices, monitor alerts, and avoid outdoor burns.
Saturday will bring highs in the mid-80s with increasing clouds and thunderstorm chances beginning late morning. Sunday could start with leftover showers before returning to dry conditions.
Looking ahead, next week starts mild and sunny, but fire weather may return by Tuesday with dry air and highs near 87°F.
Five-Day Forecast: Shasta County, CA
- Friday (Aug 15): Sunny, high near 93°F. Light winds.
- Saturday: Mostly sunny, high near 86°F. 20% chance of PM thunderstorms.
- Sunday: Slight chance of AM showers, then sunny. High near 82°F.
- Monday: Sunny, high near 84°F.
- Tuesday: Sunny and warmer, high near 87°F.