Severe Space Weather; Severe Weather and Heavy Rain across the Plains on Monday

Moderate to Severe geomagnetic storm conditions will remain possible into early Monday. Heavy rain potential will pose a flooding threat across areas of central to southern Florida over the next few days. On Monday, scattered severe thunderstorms may produce severe gusts, large hail, and heavy rain across portions of the central and southern High Plains into the northern Great Plains. Read More >

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Last Map Update: Mon, Jun 2, 2025 at 4:54:20 am PDT

Watches, Warnings & Advisories

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National Weather Service San Francisco Bay Area, CA

National Weather Service San Joaquin Valley, CA

Storm Warning

Gale Warning

Red Flag Warning

Small Craft Advisory

Hazardous Seas Warning

Red Flag Warning

Fire Safety

Probability of 95 F Degrees

Moderate HeatRisk

Cold Water Safety Tips

A Red Flag Warning has been issued for the Northern and Central Sacramento Valley along and west of I-5 corridor and adjacent Coastal Range for the combination of dry conditions and gusty winds creating critical fire weather conditions.

Gusty Winds and Critical Fire Weather conditions bring easier fire starts and fire starts can spread rapidly. Please avoid outdoor burning, do not use a lawn mower or drive on dry grass or brush, do not have vehicle parts or chains dragging on the ground, properly dispose of cigarettes & matches, obey local ban bans & evacuate if told to.

Above normal temperatures are expected this week, with areas of Moderate HeatRisk. Here's a quick look at probabilities of high temperatures reaching 95° F this week. Practice heat safety!

Moderate HeatRisk is in the forecast this week, with Valley highs generally in the 90s to around 100 degrees. Practice heat safety!

Warm temperatures are in the forecast, but local rivers are still running cold! Here are a few safety tips to remember if you plan to hit the water this week.