National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall in the Southern Plains; Heat Continues in the West

Strong to severe thunderstorms may bring areas of excessive rainfall and flooding over parts of the southern Plains today through Friday. Hot to dangerously hot temperatures are forecast across portions of the Pacific Northwest and southern Great Basin today. Gusty winds, dry, and hot conditions will bring critical fire weather to parts of central Washington state today. Read More >

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Last Map Update: Tue, Jun 10, 2025 at 12:02:14 pm PDT

An upper level ridge is expected to cause well above normal temperatures this week, mainly today and Wednesday, with the Valley seeing a 40 to 60% chance for triple digits. The warmest day is expected to be today with chances for triple digits upwards of 60 to 85 percent in the larger cities. These temperatures will bring about a moderate risk of heat-related illnesses to those sensitive to heat, such as older adults (65+), infants, athletes, outdoor workers, those without effective cooling, and those with chronic diseases. There is some risk to the general population.
Moderate Heat Risk is expected for Today and Wednesday across the San Joaquin Valley with maximum temperatures approaching 100 degrees. This level of heat can cause heat-related illnesses to those sensitive to heat, such as older adults, infants, athletes, outdoor workers, and those without effective cooling. Stay hydrated, wear lightweight, light-colored clothing, and reduce time spent outdoors or stay in the shade.
With near-triple-digit heat anticipated for this week, keep in mind that area lakes and rivers are still running cold. Warm air temperatures do NOT mean warm water temperatures! Rivers in particular are running swift as dam water releases are increasing across the region. Continue to take precautions around waterways!

 

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