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5-day forecast / Celina, TX

TodayShowers And Thunderstorms90° / 79° 89%
TuesdayChance Showers And Thunderstorms94° / 79° 28%
WednesdayMostly Sunny95° / 77° 4%
ThursdayMostly Sunny96° / 79° 11%
FridayMostly Sunny97° / 79° 1%

Severe Thunderstorm Watch in Effect for Celina as Heat Index Climbs

Celina weather, updated every four hours — local forecasts you can trust.

A Severe Thunderstorm Watch is active for Celina, TX, with oppressive humidity and a high heat index near 102 today. Showers and thunderstorms are expected, with rainfall totals up to three-quarters of an inch possible.

Tessa Lindgren

June 22, 20262 min read

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

Active Alerts and Current Conditions

A Severe Thunderstorm Watch is currently in effect for Celina, Texas. This alert, issued by the National Weather Service in Fort Worth, indicates an environment favorable for severe weather. Readers should monitor local conditions closely as the situation develops.

It is currently Monday overnight in Celina. The air temperature stands at 82F, but the oppressive humidity makes it feel like 89F. The relative humidity is at 79%, with a dew point of 75F, creating a muggy atmosphere. Winds are blowing at 8 mph with gusts reaching 31 mph, and the sky remains cloudy.

Forecast for Today and Tonight

Today, the high will reach near 90F. The heat index values are expected to climb as high as 102, making it feel significantly hotter than the actual air temperature. There is a 90% chance of precipitation, with showers and thunderstorms likely before 4pm. New rainfall amounts between a half and three quarters of an inch are possible. Winds will be from the south southeast at 10 to 15 mph.

Tonight, showers and thunderstorms are expected after 4am. The sky will be mostly cloudy, with a low around 79F. South winds will continue at 10 to 15 mph. The chance of precipitation remains high at 80%, with new rainfall amounts between a quarter and half of an inch possible. Later tonight, after 7pm, there is a chance of showers and thunderstorms. The low will drop to around 77F, with heat index values still as high as 102. Southeast winds will be around 10 mph, and new rainfall amounts less than a tenth of an inch are possible.

Tomorrow Outlook

Tomorrow, the high will be near 94F, with the heat index reaching as high as 105. There is a 30% chance of showers and thunderstorms before 1pm. The sky will be partly sunny. South winds will be around 10 mph. New rainfall amounts less than a tenth of an inch are possible. Tomorrow night, the sky will be mostly clear, with a low around 79F. South winds will be around 10 mph, with gusts as high as 20 mph.

Safety Reminders

Given the high heat index and potential for severe weather, stay hydrated and limit midday exertion. Check on neighbors who may be vulnerable to extreme heat. Monitor local news for updates on the Severe Thunderstorm Watch.

National Weather Service radar for North Texas (KFWS)
National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Tessa Lindgren

Tessa Lindgren covers weather, storms, and seasonal outdoor life around Celina.

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Celina Heat Index Hits 102 Today With Humid Conditions

Celina faces oppressive heat today with a high near 93F and heat index values up to 102. Humidity remains high with a dew point of 75F. No severe weather alerts are active.

Tessa LindgrenJune 21, 20261 min read