National Weather Service United States Department of Commerce

Clouds will be on the decrease overnight along and west of the I-35 corridor. It will remain mostly cloudy across the east. Lows will be in the 60s with light and variable winds.
Here is a map of the radar-estimated 24-hour rainfall for the period ending at 7 PM along with some measured amounts. The heaviest rain across North and Central Texas occurred across areas south of I-20and west of I-45. Even heavier amounts occurred across parts of Northwest and Southeast Texas.
It will be partly sunny Monday with a 20 percent chance of showers and thunderstorms. Highs will be in the 80s with east to southeast winds 5 to 10 mph.
We'll have partly cloudy skies Monday night with lows in the mid 60s to lower 70s. Winds will be southeast at 5 to 10 mph.
It will be partly sunny with a chance of showers and thunderstorms. Highs will be in the mid 80s to lower 90s with south winds 5 to 10 mph.

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What is the WFO FWD Fire Weather Threat Index?


The National Weather Service (identifier FWD) in Fort Worth has developed an index to assess the fire weather threat across north Texas. The FWD Fire Weather Threat Index that you see on the WFO Fort Worth fire weather pages is a locally-developed scaled value derived from relative humidity, wind speed, and fuel factor.

The values of the index range from 1 (minimal threat) to 100 (highest threat). Theoretically, values should be near  1 when winds are light, relative humidities are over 90%, and fine fuels (typically grasses) are either green or moist from recent rains. 

On the other extreme, values should be near 100 (highest threat) during dry periods in the fall and winter when sustained winds are at least 20 mph and relative humidity values are less than 35%. Recent rainfall and/or substantial green vegetation could make the FWD Fire Threat Index much lower, even with low humidities and strong winds.

Fire Weather Threat Values of FWD Fire Weather Threat Index






Graphic showing Fire Index as a function of wind speed and humidity.