Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

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Last Map Update: Tue, Jul 21, 2026 at 2:36:52 pm CDT

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National Weather Service Wichita, Kansas

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National Weather Service Fort Worth/Dallas, TX

Extreme Heat Warning

Heat Advisory

Hazardous Weather Outlook

Dangerous Heat Tuesday

Heat Illness Symptoms

Summer Heat Persists; Any Chances for Rain?

Extended Forecast

Tuesday afternoon and early evening will feature the hottest conditions so far this summer across Oklahoma and western-north Texas. Heat indices as high as 117 degrees will be possible in spots across central and eastern Oklahoma. Make sure to take precautions if you have to be outdoors during this time!

Symptoms of heat exhaustion include dizziness, thirst, heavy sweating, nausea, and weakness. Act fast by moving to a cooler area, loosening clothing, sipping cool water. Seek medical help if symptoms don't improve. Heat exhaustion can lead to heat stroke. Symptoms of heat stroke include confusion, dizziness, and becoming unconscious. Act fast by calling 911, moving the person to a cooler area, loosening clothing and removing extra layers, and cooling with water or ice. Heat stroke can cause death or permanent disability if emergency treatment is not given.

Summertime heat, with heat indices exceeding 100-105 degrees in the afternoon and early evening, will continue this week into weekend. Hoping for relief from precipitation? Don't count on it, with only very low (20% or less) chances towards the end of the week.

The hottest conditions so far this summer are expected this week into weekend, with only a very low chance for precipitation on Friday.

Local Weather History For July 21st...

Severe flash flooding occurred after torrential rains fell on western
north Texas on July 21, 1961. The heaviest rain, amounting to between
five and nine inches, fell near the Oklaunion and Harrold
communities, in Wilbarger County. Floodwaters covered Highway 287
with seven feet of water, and a nearby county road was under nine
feet of water.

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Severe Thunderstorm and Tropical Storm Bertha Impacts

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