Chattanooga, Knoxville, July 30, 2025
News Summary
Chattanooga and Knoxville are experiencing extreme heat conditions with temperatures surpassing 100°F this week. The National Weather Service warns of dangerous heat indices and urges residents to take precautions against heat illnesses. The advisory also highlights the regions in North Carolina and Virginia affected by similar conditions. Residents are advised to stay hydrated, check on vulnerable individuals, and protect pets from the intense heat. In an unusual twist, even Anchorage, Alaska, will face its first heat advisory, indicating the widespread effects of summer heat. Autumn is eagerly awaited as people long for cooler temperatures.
Chattanooga is currently under a heat advisory as temperatures have surged past 100 degrees this week. The National Weather Service (NWS) has reported a “feels-like temperature” of a staggering 107 degrees due to high humidity levels in the region, raising significant concerns for heat illnesses among residents. The advisory reflects critical public safety concerns in light of the extreme heat conditions.
Knoxville is also set to face soaring temperatures, with predictions indicating highs in the mid-90s. The heat index in this city is expected to exceed 100 degrees, creating uncomfortable and potentially hazardous conditions. A heat advisory is anticipated to extend from Tuesday through Thursday, according to the NWS office in Morristown, Tennessee. The advisory aims to alert residents of the increased risks associated with prolonged exposure to such high temperatures.
The NWS has categorized parts of southwest North Carolina, east Tennessee, and southwest Virginia under a hazardous weather outlook, urging individuals to stay hydrated and seek shade during peak heat hours. Nighttime temperatures are projected to remain uncomfortably warm, hovering around the low 70s and providing little respite from the heat. As a consequence of these extreme weather conditions, residents have been advised to regularly check on elderly neighbors who do not have air conditioning and to ensure that outdoor pets have access to shade and clean water.
In an unusual twist, Anchorage, Alaska, will also experience a heat advisory for the first time ever, highlighting the widespread reach of extreme temperatures this summer. Urban areas like Chattanooga and Knoxville are particularly susceptible to the urban heat effect, where the presence of concrete and asphalt amplifies discomfort and heat concentration. The effects can cause pavement to reach blistering temperatures, which may lead to burns for pets and humans alike, making outdoor safety of utmost importance during this time.
As people navigate this oppressive heat, there may be a slight chance of showers and thunderstorms toward the latter part of the week; however, these weather patterns are likely to bring increased humidity rather than any significant cooling relief. Many residents in the area are expressing a strong desire for the arrival of autumn, longing for milder temperatures and a break from the heat.
Precautionary Measures
- Stay hydrated by drinking plenty of water.
- Avoid outdoor activities during peak heat hours.
- Check on vulnerable individuals, such as the elderly or those with health conditions.
- Provide ample shade and water for pets that stay outside.
- Be mindful of hot pavement to prevent burns.
Expected Weather Patterns
- Heat index values are expected to remain in the low to mid-100s across Tennessee’s valley.
- Nighttime temperatures will linger around the low 70s.
- Possible showers and thunderstorms may occur but are expected to enhance mugginess.
Conclusion
As Chattanooga and Knoxville brace for extreme temperatures, residents are urged to take necessary precautions to ensure their safety and well-being. This week’s heat advisory serves as a reminder of the importance of awareness and readiness during severe weather conditions.
FAQ
What precautions should be taken during a heat advisory?
It is important to stay hydrated, avoid outdoor activities in peak hours, check on vulnerable individuals, provide shade and water for pets, and be aware of hot pavements which can cause burns.
What are the expected temperatures in Chattanooga and Knoxville?
Chattanooga is experiencing temperatures over 100 degrees, with a “feels-like” temperature of 107. Knoxville is expected to reach mid-90s, with heat indices potentially exceeding 100 degrees.
When is the heat advisory in effect?
The heat advisory is in effect from Tuesday through Thursday, as predicted by the National Weather Service.
Key Features
| Feature | Chattanooga | Knoxville |
|---|---|---|
| Current Temperature | Over 100°F | Mid-90s |
| Feels-Like Temperature | 107°F | Exceeds 100°F |
| Nighttime Low | Low 70s | Low 70s |
| Advisory Duration | Tuesday through Thursday | Tuesday through Thursday |
| Precautions Advised | Stay hydrated, check on elderly neighbors | Stay hydrated, care for pets |
| Potential Weather Change | Showers and thunderstorms expected | Showers and thunderstorms expected |
Deeper Dive: News & Info About This Topic
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Additional Resources
- Nooga Today: How to Stay Cool During Chattanooga Heat Wave
- Wikipedia: Heat Wave
- Times Free Press: Alaska’s First Ever Heat Advisory
- Google Search: Extreme Weather Conditions
- Hoodline: Knoxville and Chattanooga on Alert for Extreme Heat
- Encyclopedia Britannica: Hyperthermia
- Local 3 News: Local Weather
- Google News: Chattanooga Weather Advisory

Author: STAFF HERE CHATTANOOGA WRITER
The CHATTANOOGA STAFF WRITER represents the experienced team at HEREChattanooga.com, your go-to source for actionable local news and information in Chattanooga, Hamilton County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Riverbend Festival, Chattanooga Oktoberfest, and Moon River Festival. Our coverage extends to key organizations like the Chattanooga Area Chamber of Commerce and United Way of Greater Chattanooga, plus leading businesses in manufacturing, insurance, and utilities that power the local economy such as Volkswagen Chattanooga, BlueCross BlueShield of Tennessee, and EPB. As part of the broader HERE network, including HEREBristol.com, HEREKnoxville.com, HEREMemphis.com, and HERENashville.com, we provide comprehensive, credible insights into Tennessee's dynamic landscape.


