Oppressive Humidity and Overnight Storms
Sherman is currently experiencing oppressively humid conditions as the overnight hours of Tuesday progress. The air temperature sits at 77F, but the heat index makes it feel like 79F. Relative humidity is at 94%, with a dew point of 75F creating a muggy atmosphere. Winds are light at 6 mph with gusts up to 11 mph, and the sky remains cloudy.
A chance of showers and thunderstorms is expected before 4am tonight. While rainfall amounts will likely be less than a tenth of an inch, the combination of moisture and warmth keeps the air heavy. Temperatures will drop to a low near 74F. For the remainder of the night, there is a continued chance of showers and thunderstorms, particularly between 10pm and 1am. During this later period, heat index values could reach as high as 102F, and new rainfall amounts between a quarter and half of an inch are possible. Winds will shift to the south southeast at around 5 mph.
Clearing Skies and Rising Heat
The pattern shifts significantly by tomorrow. The chance of precipitation drops to just 5%, with mostly sunny skies expected. Highs will climb to near 92F, accompanied by heat index values as high as 101F. Winds will pick up slightly to the south southwest at 5 to 10 mph. Temperatures will remain warm overnight, rising to around 77F with mostly clear skies and lows near 75F.
There are no active National Weather Service or NOAA weather alerts in effect for Sherman at this time. However, the high humidity and heat indices warrant caution. Residents should stay hydrated and limit prolonged outdoor exertion during the peak heat hours. Checking on elderly neighbors and ensuring proper ventilation in homes is a prudent step during periods of such high moisture content in the air.