Heat Wave in the Eastern US; Heavy Rain in the Ohio Valley

Dangerous, long-lasting heat is expected across portions of the Central and Southeast U.S. Showers and thunderstorms, some severe, may produce heavy rain and localized areas of flash flooding across parts of the Ohio/Tennessee Valleys into the Appalachians. Severe thunderstorms are possible across parts of the northern Great Plains. Fire weather conditions possible in the Great Basin. Read More >

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Last Map Update: Mon, Jul 21, 2025 at 12:10:34 am CDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Jackson, Mississippi

National Weather Service NWS Birmingham, Alabama

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Extended Forecast

Heat Advisory Monday

Severe Storms Monday

Extreme Heat Late This Week

Tonight

Tomorrow

Climate

Dangerous heat will be the main theme through much of the week. Expect temperatures to rise into the low to mid 90s with max heat indices between 100-111F by Tuesday/Wednesday. Daily afternoon thunderstorms are possible as well. Make sure to drink plenty of water and don't leave people or pets in cars! Also, when thunder roars, go indoors!

A Heat Advisory is in effect Monday afternoon into the evening hours (11 AM - 8 PM CT) for north central AL, northwest AL, and southern middle TN for high temps in the mid 90s with heat indices reaching 105-107 degrees. Be sure to stay hydrated, limit strenuous outdoor activity, and wear light colored/lightweight clothing.

Strong to severe storms will be possible in NE AL and southern middle TN on Monday afternoon with our main concerns being gusty winds and heavy rainfall. Make sure to check back for updates!

The Climate Prediction Center has outlooked the Tennessee Valley in a Medium Risk (40-60%) for much above normal temperatures late next week. This means temperatures have a medium chance of reaching or exceeding the mid to upper 90s and heat indices between 100-105 degrees during this period. Stay weather aware and up to date with the forecast!

Low temperatures and precipitation chances for tonight.

High temperatures and precipitation chances for tomorrow.

This graphic contains daily climate data (climate normals and records) for today for the sites listed. The legend is in the upper left portion of the image. The current normals period is 1991-2020.


*Location*	*Sky/Weather*	*Temp*	*Dewpt*	RH	*Wind*	*Baro*	*Remarks*
Huntsville
Muscle Shoals
Decatur
Meridianville
Vinemont
Albertville
Scottsboro
Fort Payne
Winchester
Tullahoma
Fayetteville
Courtland
Note: "N/A" or "MISG" will be displayed if values are not available. In the LOCATION column, click on links for a list of recent observations at sites of interest. In the WIND column, VRB is "variable" and G is "gust". Wind speeds are in MPH. In the BARO (pressure) column, values are in inches. In the REMARKS column, HX is "heat index", WCI is "wind chill index", and VSB is "visibility" (if shown).

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SITREP	GRAPHICAL HWO	DISCUSSION	FIRE WX	AVIATION WX	HYDROLOGY


AIR QUALITY	GRIDDED FORECAST	FORECAST (HR)	CLIMATE	CLIMATE GRAPHS	OBSERVATIONS


SATELLITE	WX RADIOS	STORM SPOTTER TRAINING	PAST EVENTS	GIS	TORNADO HISTORY

EDUCATION	BEING PREPARED	ESTAR PREPARANDO

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Heat Wave in the Eastern US; Heavy Rain in the Ohio Valley

NWS Forecast Office Huntsville, AL