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5-day forecast / Richardson, TX

TuesdaySunny101° / 81°
WednesdaySunny102° / 82°
ThursdayMostly Sunny102° / 83°
FridaySunny103° / 83° 4%
SaturdaySunny101° / 78° 9%

Heat Advisory in Effect for Richardson as Temperatures Climb Near 100 - Jul 20, 4 AM

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

A Heat Advisory is active for Richardson, TX, with current feels-like temperatures at 91F. Highs near 100F today and 103F tomorrow bring extreme heat and humidity.

Reese Janssen

July 20, 20262 min read

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

*As of Jul 20, 4 AM local time.*

Current Conditions and Alert Status

A Heat Advisory is currently in effect for Richardson, Texas, signaling dangerous heat levels that require caution. It is currently Monday overnight, and the air temperature stands at 84F. However, the combination of heat and moisture makes it feel significantly hotter, with a feels-like temperature of 91F.

The relative humidity is at 70%, and the dew point is recorded at 73F, indicating quite humid conditions. Winds are blowing from the south southwest at 6 mph, with gusts reaching up to 17 mph. The sky remains clear at this hour.

The National Weather Service has issued this advisory with moderate severity and expected urgency. This alert is active until July 20 at 8:00PM CDT. Residents should be aware that the heat index values are expected to reach dangerous levels during the day, posing a risk for heat-related illnesses.

Forecast for Today and Tomorrow

Today, the sky will be sunny with a high near 100F. The low for the day will be near 79F. There is only a 1% chance of precipitation, so rain is not expected.

The heat index values are forecast to reach as high as 106F. Southwest winds will be around 5 mph. As the day progresses, the heat will be intense, and the humidity will remain a factor.

Tonight, conditions will remain mostly clear. The low will be around 81F, with temperatures rising to around 83F overnight. The heat index values will reach as high as 104F. South southwest winds will continue around 5 mph.

Tomorrow, the sun will shine with a high near 103F. The low will be near 83F. There is a 0% chance of precipitation. The heat index values are expected to climb to 107F. West southwest winds will be around 5 mph. Tomorrow night will be clear with a low around 83F, rising to around 85F overnight, with south southwest winds of 0 to 5 mph.

Safety Reminders

Given the active Heat Advisory and the extreme heat index values, it is crucial to stay hydrated and limit midday exertion. Check on neighbors, especially the elderly and those without air conditioning. Avoid prolonged exposure to the sun and seek air-conditioned environments when possible.

The combination of high temperatures and humidity increases the risk of heat exhaustion and heat stroke, so please take this advisory seriously and plan your activities accordingly.

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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Reese Janssen

Reese Janssen covers weather, storms, and seasonal life around Richardson.

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