Lincoln County, TN

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From the Forecaster

Extreme Heat Warning & Heat Advisory

A Heat Advisory has been expanded over NE AL and an Extreme Heat Warning has been issued over NW AL through 7pm Tuesday. Heat indices up to 112 are forecast over NW AL and up to 109 degrees areas east. Please practice heat safety during this dangerous heat!

Image Description

Infographic titled "Extreme Heat Warning & Heat Advisory" updated July 27, 2026, by the National Weather Service Huntsville. An Extreme Heat Warning is in effect over far NW AL and a Heat Advisory is in effect elsewhere through 7pm Tuesday due to major HeatRisk. The forecast calls for high temperatures in the mid to upper 90s with heat index values ranging from 100 to 112 degrees Fahrenheit. Icons display heat safety tips: stay hydrated, limit strenuous time outdoors in the afternoon, use air conditioning (fans may not be adequate), and wear lightweight, light-colored clothing.

Huntsville Area Forecast Discussion

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

	Mon 7/27	Tue 7/28	Wed 7/29	Thu 7/30	Fri 7/31	Sat 8/1	Sun 8/2
risk level		out of 10			out of 10	out of 10	out of 10

No risk

Low risk

High risk

See the detailed risk analysis

Radar

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dBz	Intensity
−35–0	Extremely light (drizzle/snow)
0–20	Very light precipitation or general clutter
20–40	Light precipitation
40–50	Moderate precipitation
50–65	Heavy precipitation or some hail
>65	Extremely heavy precipitation including water-coated hail

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Weather Forecasting Office

Huntsville Forecast Office