Dangerous Heat Index Hits 104 in Van Alstyne as Humidity Lingers - Sep 17, 2 PM

*As of Sep 17, 2 PM local time.*

Dangerous Heat and Humidity

Van Alstyne is currently under the influence of intense heat and significant moisture in the air. The current air temperature stands at 97F, but the combination of heat and humidity pushes the feels-like temperature to a dangerous 104F. This high heat index value underscores the severity of the conditions residents are experiencing this afternoon.

The atmosphere is holding substantial moisture, with the dew point recorded at 70F and relative humidity at 42%. Despite the clear sky overhead, the air feels heavy and muggy. Winds are light, blowing from the south southeast at 6 mph, with gusts reaching up to 9 mph. These conditions contribute to the stifling environment that makes outdoor activity challenging without proper precautions.

Forecast for Today and Tomorrow

Looking ahead, the heat will persist through the day. The high temperature today is expected to reach near 97F, dropping to a low of around 76F tonight. There is a slight chance of rain showers after 4pm today, with precipitation chances at 10%. Overnight, temperatures may rise slightly to around 78F before settling down.

Tomorrow brings continued warmth with sunny skies and a high near 98F. The low for tomorrow night will be around 74F. Precipitation chances drop significantly to just 2% for the day. Heat index values are forecast to remain elevated, reaching as high as 100F during the afternoon hours.

Safety Reminders

Given the dangerous heat index values and high humidity, it is crucial to prioritize safety. Stay hydrated by drinking plenty of water throughout the day. Limit outdoor exertion, especially during the hottest parts of the afternoon when temperatures peak.

If you must be outside, seek shade or air-conditioned spaces whenever possible. Check on elderly neighbors or those with health conditions who may be more vulnerable to heat-related illnesses. Avoid leaving children or pets in parked vehicles, as interior temperatures can rise rapidly even with windows cracked.

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Sources

National Weather Service radar

National Weather Service forecast data

Open-Meteo weather data