Oklahoma City is facing a week of changing weather, including severe thunderstorms with hail and damaging winds. Temperatures will fluctuate, with periods of calm and chances of rain throughout the week.

NWS Memphis forecasts clear skies today with potential showers and storms later in the week, highs near 88°F today, and an 80% chance of rain on Monday.

The NWS in Nashville reports partly cloudy skies with upcoming weather changes, including a sunny day then storms and high chances of rain early in the week, and fluctuating storm chances later.

Southern California braces for a heatwave with inland and desert regions expected to see temperatures soaring above normal, potentially reaching over 110°F.

The article describes the weather forecast for San Antonio, with high heat, chances of rain, and fluctuating showers and temperatures throughout the week.

NWS San Francisco warns of hazardous surf and advises beachgoers to be cautious. Dry conditions and seasonal temperatures expected, with a minor cooling trend. Stable weather pattern and moderate winds forecasted for aviators and mariners.

Phoenix is forecasted to have clear skies with temperatures reaching over 106 degrees this week, with little nighttime relief, per the National Weather Service.

Sunny, warm weather is expected in Salt Lake City, with temperatures rising to the lower 90s and nights around the mid-60s, as per the National Weather Service.

Denver's week starts with a 40% chance of afternoon showers, turning partly cloudy at night with a low around 54. Sunny days follow, with high temps reaching 89 degrees by Saturday.

Chicago weather forecasts predict variable conditions with chances of showers, thunderstorms, and sunny days over the next week, with temperatures fluctuating around the 70s and 80s.

A Heat Advisory is in effect in Portland through 10 PM Monday, with temperatures up to 98 degrees and little overnight relief, heightening the risk of heat illnesses.

Houston prepares for extreme heat with possible 100-degree day, as forecasts predict high temperatures this weekend. Cooling rain is expected next week.

A heat advisory is in effect in northwest and west central Washington due to high temperatures ranging from the mid-80s to mid-90s, with minimal relief at night.