heat index

A heat advisory has been issued for Middle Tennessee because the heat index could reach 105 degrees or higher today. Despite this extreme heat, the coming temperatures will be slightly less severe than those recorded yesterday.

The Charlotte area in the Carolinas is anticipating a dangerous combination of rising temperatures and persistent humidity throughout the week. Heat index values are expected to exceed 100 degrees, with feels-like temperatures reaching near 105 degrees by Thursday and Friday. Residents are advised to stay hydrated and take frequent breaks indoors due to the extreme heat.

Hot weather and high humidity are forecast to return Wednesday afternoon, with highs reaching the mid-90s and heat index values expected to exceed 100 degrees. By Friday, the area could hit upper 90s, potentially triggering heat advisories with heat indices eclipsing 105 degrees in spots. This predicted period may mark the longest stretch of 90-degree days this season.

Forecasters predict hot and humid weather lasting through the week, with high temperatures expected in the mid-to-upper 90s. The heat index is forecasted to reach or exceed 100 degrees, potentially getting closer to 105 degrees by the end of the week. While overall storm chances are low, far northern areas may experience late-day storms bringing heavy rain and gusty winds.

The Capital Region expects rising heat this week as rain chances diminish due to a building ridge. While isolated thunderstorms are possible Monday, high pressure is anticipated by Thursday and Friday, leading to very low measurable rain chances. The primary concern becomes dangerous heat, with heat index values expected to climb to 105 to 110 degrees.

This week in the Carolinas, residents should be concerned about high humidity pushing heat index values over 100. Isolated afternoon storms are expected through the end of the week, with temperatures remaining in the low to mid-90s. Beginning on Thursday through next weekend, scattered thunderstorms capable of heavy downpours and damaging wind gusts will be possible each afternoon.

Severe thunderstorms with potential damaging wind gusts are expected in the D.C. area Saturday afternoon and evening due to hot, humid conditions. The region will experience sustained heat and humidity through the week, with heat index values nearing or reaching 100. Storm chances increase Tuesday and into midweek.

A Heat Advisory is currently in effect for NYC. Temperatures could reach a heat index topping 100 degrees on Thursday. Residents should also be aware of high humidity levels and potential afternoon storm risks.

North Texas is expected to experience 13 triple-digit days this season, with temperatures reaching near 101 degrees and elevated heat index values continuing through the weekend.

Slow-moving storms and showers are expected to bring localized flooding risks on Monday, particularly near the Florida Keys. High temperatures in the lower 90s and heat index values reaching triple digits are forecasted, with unsettled weather continuing into Tuesday.

A heat advisory is active in Miami-Dade and Broward counties as heat index values exceed 105 degrees. Temperatures reached the low 80s early Saturday, with hazardous conditions expected before afternoon storms. South Florida has experienced 51 consecutive days of temperatures at or above 90 degrees, nearing a 2023 record.

A heat advisory was issued for South Florida as high temperatures of 96 degrees and a heat index of 105-110 degrees are expected to break the 2015 record. Rainfall is limited to a 20% chance of stray showers in Broward County, with more moisture and thunderstorms arriving Friday and over the weekend, potentially bringing lightning, gusty winds, and heavy rainfall.

South Florida will remain hot and hazy through the work week due to Saharan dust, with temperatures in the mid to upper 90s and heat index values exceeding 100. Isolated afternoon thunderstorms are expected in Palm Beach County, the Lake Okeechobee region, and interior South Florida, though rain chances remain below average until the weekend. The Atlantic is currently quiet.

Today's temperatures will reach the lower 90s with increased humidity, potentially triggering isolated afternoon thunderstorms. Thursday will be hot and muggy with a heat index of 92-95 degrees, followed by rain Thursday evening into Friday. The weekend will bring sunshine and warm temperatures without high humidity.

South Florida experiences fewer storms and increased heat, with possible passing showers Tuesday night and spotty storms on Wednesday due to daytime heating. High temperatures are forecast to reach the mid-90s, with a heat index exceeding 105°F.

The Twin Cities will experience hot and hazy weather through Thursday with increasing humidity and scattered thunderstorms starting Wednesday. Stronger thunderstorms with damaging winds, hail, and heavy downpours are possible Thursday evening into Friday, followed by cooler conditions by Sunday.

Ken Barlow forecasts today's temperatures to reach near 90 degrees with less humidity compared to Monday's record 100-degree high at MSP. Wednesday will warm into the lower 90s with possible isolated thunderstorms, while Thursday will be hot and muggy with a heat index near 95 degrees, followed by rain starting Thursday night.

The Twin Cities reached 100° for the first time since 2022 at the Minneapolis-Saint Paul International Airport. Minnesota’s Weather Authority confirmed this was the seventh 100°+ day in the metro area in the last 30 years, with the heat index amplifying the discomfort. Temperatures are expected to gradually decline but remain in the 90s for the next few days.

Minnesota's Twin Cities experienced high heat index values today with mid-90s morning heat indices and mid-90s afternoon temperatures. Humidity will decrease by tonight, but the week will bring continued high temperatures through Thursday, followed by thunderstorms that may bring heavy rain and cooler temperatures by Friday. Wildfire smoke and air quality impacts are expected this week.

The Twin Cities reached a high of 99° on Sunday, the highest temperature in over four years and surpassing the previous 2024 record of 96°. This marks the first time since June 20, 2022, that the area exceeded 99°, with future weather forecasts predicting a heat advisory and potential rain to cool temperatures.

Chicago experienced hot and humid conditions with heat indices reaching 100°F as thunderstorms are expected to develop over Minnesota and Wisconsin, potentially affecting the region by Monday. National Weather Service meteorologist Rafal Ogorek noted uncertainty in the storms' exact timing and location but warned of dangerous swimming conditions at Lake Michigan beaches and residual wildfire smoke lingering in the atmosphere.

Minnesota’s Weather Authority issues an Alert Day with Extreme Heat Warnings for Sunday, predicting afternoon highs in the mid-90s and heat index values up to 107 degrees. A slight risk of severe storms is noted tonight, with drier air expected by Tuesday. Meteorologist Molly Rosenblatt reports the worst heat will settle in for Sunday.

The Carolinas face scattered showers and storms Sunday morning, with severe thunderstorm risks peaking Tuesday evening due to a strong cold front. High temperatures climb into the low 90s Tuesday, accompanied by heat indices exceeding 100°, while cooler conditions return by Wednesday.

Chicago is experiencing a hot and humid Sunday with a heat index of approximately 100 degrees. The weather includes the threat of storms.

Hot and humid conditions are returning to Chicagoland on Sunday, with heat index values expected to reach triple digits. The weekend is ending with elevated heat index readings.

Hot and humid weather persists with increased chances of afternoon thunderstorms in South Florida, particularly between 2 p.m. and 6 p.m. Storms may cause street flooding in poorly drained areas, with highs in the mid-90s and a heat index near 105. Upper-level winds have shifted west, directing storms toward coastal regions, and hurricane season activity is expected to rise in the coming weeks.

The pause in the rainy season ends as a shift in winds from the Everglades brings increased thunderstorm activity to Broward and Miami-Dade counties this weekend and into next week. Afternoon showers and storms are expected to provide drought relief, with high temperatures reaching the low/mid 90s and a heat index up to 105°.

South Florida will experience a wetter pattern this weekend with thunderstorms, heavy downpours, and high temperatures in the low to mid 90s. Increased rain chances may lead to street flooding in urban areas, while a shift in winds by Sunday will bring storms closer to east coast metro areas. Hurricane Bertha made a second landfall in Texas, and the tropical system has since dissipated.

Isolated showers are expected in the Twin Cities this morning, followed by a hot and humid weekend with severe thunderstorms possible, especially Sunday evening. Temperatures will rise into the 90s with heat index values near 100 degrees, and severe storms could bring damaging winds, hail, and heavy rainfall. Cooler temperatures in the 80s are forecasted for the following weekend.

Nashville reached a dew point of 77 degrees, nearing its record of 82 degrees, increasing heat index risks and flooding potential. Middle Tennessee and western Kentucky saw multiple locations with near-record or record-breaking dew points, with Hopkins County setting a new record at 85 degrees. High moisture levels also raised precipitable water values above average.

Metro Detroit will experience dry, comfortable weather through Saturday with temperatures near seasonal averages. Starting Sunday, heat and humidity will increase, leading to high temperatures in the 90s and potential thunderstorms. A stronger weather system on Monday could bring widespread severe thunderstorms with damaging winds and heavy rain.

The Twin Cities will experience a perfect summer day with sunny skies and low humidity today, followed by increasing humidity and possible thunderstorms Friday night into Saturday. The upcoming weekend will be hot, humid, and hazy with highs in the 90s and potential severe thunderstorms late at night into Monday morning.

Dry conditions and high temperatures will continue through tomorrow, but numerous thunderstorms are expected starting this weekend, bringing much-needed drought relief and increasing the risk of localized flooding.

Minnesota’s Weather Authority has issued heat alerts for this weekend, with heat index values reaching 95-100 on Saturday and Sunday. After cooler mornings, temperatures will rise into the 80s midweek before returning to the 90s with higher humidity by the weekend.

South Florida experiences hot and steamy conditions with increasing rain chances through the weekend due to an upper-level low over Cuba. Tropical Storm Bertha weakens as it approaches the Gulf Coast, causing tropical storm warnings and extreme heat warnings with heat indices reaching 120°F in Louisiana and Texas.

Charlotte will experience temperatures in the lower 90s and a heat index of around 100 degrees, with storms expected in the late afternoon.

Ken Barlow forecasts sunny and comfortable temperatures today in the 70s, with rising temperatures into the 80s by Friday and a return to 90s with high heat index over the weekend. Isolated thunderstorms are possible at night, and Minnesota's Weather Authority may issue alerts for the weekend.

Today is expected to be the hottest day of 2026 so far, with dangerous heat and heat index values reaching up to 110-degrees. Meteorologist Kristen Currie described the conditions as brutal due to the combination of temperatures and heat index.

Robertson County Schools installed Perry Weather monitoring systems at all middle and high schools to track lightning, heat, and severe weather in real time, enhancing safety for outdoor activities. The system provides campus-specific data to replace county-wide forecasts and traditional sirens, with plans to expand app access for more programs before the fall season.

Austin is under a heat advisory with temperatures expected to reach triple digits. The heat index could rise to 112, posing significant weather-related risks.