Sacramento wakes to haze and fog, with the National Weather Service predicting gradual clearing and light winds, highs in the high 50s to low 60s, and persistent patchy fog into the evening.

The NWS Nashville forecasts a weather shift with clearing skies, chilly temperatures, and increasing chances of rain or snow towards the end of the week.

The Bay Area just survived record flooding from New Year's storms, then got treated to a week of stunning sunshine and warm afternoons. Now forecasters say that perfect weather is about to change—and rain could be back before the month ends.

NWS Portland forecasts clear skies and chilly temperatures with sunny days, frosty mornings, and possible rain later in the week. Winds may gust up to 24 mph.

The NWS Knoxville provides a forecast with early cloud clearing, moderate temperatures, and potential gusty winds, leading to a sunny week with possible showers by weekend.

Denver's forecast predicts a sunny day turning snowy in the evening with less than an inch of snow expected. Conditions will clear up after Monday, with midweek temperatures rising.

San Antonio's weather forecast predicts clear skies and moderate temperatures for the week, with a high near 63 today. Slight cloudiness and a chance of showers increase midweek.

The National Weather Service reports fair weather in El Paso, TX, with a chilly morning at 26°F, calm winds, and clear visibility. The forecast predicts sunny conditions with mild temperatures for the coming days.

Clear skies and a warming trend expected in Salt Lake City, with a high of 47°F today and a low of 25°F tonight. Haze starts Tuesday; highs in the high 40s and lows above freezing midweek. Possible rain/snow by the weekend.

Oklahoma City forecast: Chilly morning at 18°F; sunny day with high near 56°F; clear night with low around 25°F. Flurries possible on MLK Day with high near 35°F. Sunny week ahead with rising temps.

Seattle's weather forecast includes clear skies, high humidity, and calm winds, with temperatures around 32°F. The week ahead will see mostly sunny days, cloudy evenings, a slight rain chance by Thursday, and potential rain-snow mix on the weekend.

The NWS issued an advisory for extreme cold in Wisconsin, warning of dangerous wind chills and advising caution due to potential frostbite and travel difficulties from snow and winds.

Detroit faces a cold week with snow predicted to start tonight and further chances of snowfall throughout the week, amid low temperatures and strong winds.