National Weather Service United States Department of Commerce

Heavy Rain and Potential for Flash Flooding in the Southwest and Central U.S.

Strong to severe thunderstorms are forecast to develop along a frontal system stretching from portions of the Mississippi Valley into the Ohio Valley. These storms may produce heavy rain and flash flooding. The threat shifts east on Friday. Moonsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Four Corners area. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Jul. 27, 2017 at 10:01:17 am CDT

National Weather Service Amarillo, TXNational Weather Service Norman, OKNational Weather Service Tulsa, OK
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National Weather Service Shreveport, LA
National Weather Service Austin/San Antonio, TXNational Weather Service Houston/Galveston, TXNational Weather Service Lake Charles, LA

Today will be one of the hottest days so far this year across North and Central Texas. Skies will be mostly sunny and highs will be in the mid 90s to 103 degrees. Afternoon heat index values will reach 100 to 112 degrees! A Heat Advisory is in effect for areas along and east of a Killeen to Bowie line where heat index values will reach 105 to 112 degrees. Remember to stay hydrated, avoid strenuous activity, and never leave pets or children unattended!
A Heat Advisory will remain in effect for areas along and southeast of a line from Killeen to Weatherford to Denton to Sulphur Springs where heat index values will reach 105 to 109 degrees. A summertime cold front will enter North Texas during the day Friday. Ahead of this front it will still get hot. Highs will be in the mid 90s along the Red River to near 104 degrees across parts of Central Texas. There will be a slight chance of showers and thunderstorms along and north of a Bowie to Sulphur Springs line. Remember to stay hydrated, avoid strenuous activity, and never leave pets or children unattended!
A Heat Advisory is in effect today for most of North and Central TX and through Friday for counties shaded in yellow. High temperatures will rise into the upper 90s to 102 degrees. When you factor the humidity, it is going to feel like in the 105-109 range.
A pattern change will occur this weekend as the hot upper level high moves off to the northwest. This will bring northerly flow aloft to the region and push a cold front into the area by Saturday. The front will move through by Sunday with slightly cooler conditions with lower humidity expected behind it. There will be a low chance of rain each day from Saturday through the middle of next week.
A cold front will approach the region on Friday, and will gradually move southward on Saturday, before stalling out across Central Texas by Sunday. Since there won't be a lot of moisture with this feature, shower and thunderstorm chances look to remain fairly low (20-30%) over the weekend. However, with the increased cloud cover, temperatures will slowly cool by a few degrees each day. By Sunday, highs will generally be in the lower to middle 90s across North and Central Texas.
It is July in Texas and it's hot. So you're probably thinking why is the National Weather Service telling us about the heat? Well, it's simple: heat kills. Know the signs of heat exhaustion versus heat stroke. Faint or dizzy with excessive sweating, that's heat exhaustion. Get to a cooler place and drink water. What if you or someone you know, is in the heat and suddenly stops sweating, gets a throbbing headache and/or nausea? Well, these are signs of a Heat Stroke and this is an emergency situation. Your body is no longer able to cool off and if you don't get immediate care - it can be fatal. If you're suffering from Heat Stroke, you should call 9-1-1 and then immediately take action to cool down as you wait for help to arrive.

 
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