The NWS in Denver forecasts a hot and sunny day in Colorado, with potential strong showers or storms later. Conditions may cool down with showers midweek.

Seattle's weather forecast promises a sunny week with temperatures rising to the low 80s, and current conditions including a temperature of 57°F and mostly cloudy skies that will clear up. Conditions are ideal for outdoor activities.

The forecast for Salt Lake City, UT indicates a week of mainly sunny weather with climbing temperatures, reaching highs in the mid-90s and nighttime lows around 68 degrees, with a slight chance of showers midweek.

Dallas is experiencing a heatwave with temperatures reaching high 90s and low 100s, with minimal wind and chances of showers and thunderstorms later in the week.

Houston faces erratic weather with sun, possible thunderstorms, and high heat index. Night may bring clearer skies; thunderstorms expected mainly between 1-7pm. No tropical development forecasted; residents urged to stay prepared.

Oklahoma City faces a heat advisory with the heat index hitting up to 110 degrees; the NWS recommends staying hydrated and in air-conditioned areas to avoid heat illness.

Milwaukee's National Weather Service issued a Fog Advisory and warns of high heat index values today; residents should stay updated on weather changes.

Canadian wildfire smoke causes air quality alerts in the Tri-State Area, with New York City Emergency Management advising limited outdoor time for vulnerable groups due to potential health risks.

The National Weather Service in Memphis warns of extreme heat, with heat index values up to 107 degrees, advising residents to take precautions against heat-related illnesses. An Extreme Heat Watch forecasts even higher indices up to 115 degrees.

Heat advisory in New Orleans forecasts a peak heat index of 110 degrees; residents are advised to stay indoors and hydrated amid oppressive temperatures.

Raleigh faces an extreme heat wave with temperatures reaching a 115-degree heat index, leading to an Extreme Heat Warning and advice for residents to take precautions.

Boston residents experienced a rainy Sunday and can anticipate a hot, humid start to the week with a heatwave bringing temperatures in the upper 90s to low 100s. A heat advisory is in effect for Monday through Tuesday evening.

Atlanta faces a hot week with temperatures up to 97 degrees and high humidity. Evening storms and high chances of precipitation are expected to continue throughout the week.