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DFW WEATHER EXPANDS ITS FORECAST TO 10-DAYS AND REVAMPS ITS DETAILED FORECASTS

DFW Weather is pleased to announce that its forecast has expanded from 7-days to 10-days. The Quick Forecast on the home page will give you a quick look at the first 48 hours. If you click on the link below that, it will take you to the full 10-day forecast. You can also access the full 10-day forecast from the drop down menu at the top by selecting Forecast->10-Day.

The Forecast Tabs, once you get to the full 10-day forecast page, will be simplified to have two tabs, Forecast and Details. The forecast tab will give you our traditional layout overview in a quick, easy-to-read layout of the 10-day forecast, focusing on the day period. If you click on the ‘Details’ tab, you will get a detailed forecast that has been simplified from the old layout. There will no longer be a night view tab.

The detailed forecast will be as the sample image below shows. It will be divided into two 12-hour periods, one for day, and one for night. The day period goes from 6:00 am through 5:00 pm, and the night period goes from 6:00 pm through 5:00 am. It will give an icon that best represents the expected weather during that period, the expected high or low temperature for that period, followed by a ‘Feels Like’ temperature. The ‘Feels Like’ temperature is what the high or low temperature actually feels like based on the weather conditions, cloud cover, humidity, pressure, and wind. It is not a wind chill or a heat index. Below that will be a short description of the weather expected for that 12-hour period. Below that will be wind, average wind direction, speed, and gust for that period. The next line will be the average dewpoint and humidity expected. The next line will have the average barometric pressure, in inches of mercury, for that period. The last line will only appear if precipitation is expected. It will show the POP (percentage of precipitation) and the amount. If no amount is given, precipitation is not expected to be measurable for that period. The amount is always given in liquid form and will be labeled as ‘Rain’ and amount in inches.

NOVEMBER 2024 THE NINTH HOTTEST ON RECORD / FALL 2024 THE THIRD HOTTEST ON RECORD FOR DFW

November 2024 ended up being the ninth hottest November on record for DFW with an average temperature of 61.7°F.

The fall of 2024 is the third hottest on record for DFW with an average temperature of 72.2°F. Only 2016 (the hottest fall on record) and 1931 surpass 2024 with warmer average fall temperatures in DFW.

It should be noted that both the winters of 1931-1932 and 2016-2017 were top ten hottest winters on record. In fact, the winter of 2016-2017 was the hottest winter on record for DFW. For those wanting to know, if we can glean anything from past data, we could be looking at a very warm winter ahead.

OCTOBER 2024 IS THE HOTTEST OCTOBER ON RECORD FOR DFW

October 2024 turned out to be the hottest October on record for Dallas/Fort Worth. Officially at DFW Airport, the average temperature for the month was 75.7°F. That is 8 degrees above our average October temperature. The top five hottest Octobers for DFW are as follows:

  1. October 2024 – 75.7°F Avg temp
  2. October 2016 – 74.1°F
  3. October 1963 – 73.5°F
  4. October 1947 – 73.2°F
  5. October 1934 – 73.2°F

We were on target to be the driest October on record, but we ended up getting 0.21 inches of rain on Halloween. That saved us from being the driest October on record. The driest October on record is still 1975 with only a trace of precipitation recorded for the whole month. Our average rainfall for October is 4.37 inches.

TOTAL SOLAR ECLIPSE FOR DFW ON APRIL 8, 2024

A truly rare event is coming to the DFW Metroplex, a total solar eclipse on April 8, 2024. The map below shows the path of totality of the eclipse in dark pink with the red dashed line representing the center of the total solar eclipse path. The lighter shades represent variations of partial eclipse viewing. As you can see, the DFW Metroplex is in the northwest quadrant of the path of totality. The last time Dallas and Fort Worth experienced a total solar eclipse was on July 29, 1878. We will not experience another one until June 30, 2345. So, it is truly a once in lifetime experience. A total solar eclipse is different than a partial solar eclipse and much rarer. For more information on the upcoming eclipse, please visit: weather.gov/fwd/eclipse2024.

MAJOR ARCTIC AIR WITH THREAT FOR SEVERE COLD FOR THE MLK WEEKEND

DFW’s mild winter is about to come to an end. A very impressive Arctic airmass will be building and plunged south into the heartland of the CONUS over the weekend, indicative of a ~1045mb high pressure system. This all teleconnected very well with negative EPO, negative WPO, negative AO, and negative NAO. This will produce the coldest weather for this winter by a long shot for DFW. There is an increasing concern that temps could fall below 10°F at the coldest point which is the threshold for severe cold for this region and necessitate Hard Freeze Warnings for the area. This type of cold can damage agriculture and infrastructure this far south as we saw in February 2021. At the very least, we are confident temps will fall to the teens Monday and Tuesday next week for DFW with high temps struggling to get out of the 20s. At this time, it is not anticipated that the cold will be anywhere near the magnitude of February 2021, or last as long. There is a small chance that we may see some impactful wintry precipitation Sunday night into Monday. Not all of the models are on board with this scenario, but enough are that we will be monitoring that closely. Of course, any frozen precipitation will only exacerbate the cold. If you have not winterized your homes, now will be a good time to do so.

DFW OFFICIALLY HITS 110°F FOR THE FIRST TIME IN 12 YEARS WHICH IS EXCEPTIONALLY RARE

Yesterday, the temperature at DFW Airport climbed to a whopping 110°F. The last time this happened was during the hot summer of 2011. Before that, you have to go back to the summer of 2000. This is exceptionally rare, and conditions have to be just right for it to occur. Out of 124 years of weather records, we have only hit the 110°F mark or greater 12 other times. Five of those times occurred during the record breaking summer of 1980. Statistically, this is about a once in a decade occurrence. The hottest DFW has ever been was during June of 1980 when the mercury hit 113°F. Below is table of all the occurrences of temperatures of 110°F or greater in the DFW weather records:

UPDATE: The summer of 2023 now becomes the second year to have more than one day with a temperature at or above 110°F. Yesterday, August 26, 2023 DFW Airport set a record high of 110°F which also broke the daily record. The only other year to have multiple days at or above 110°F was the summer of 1980 (which had 5), as you can see below. This also pushes our tally of a total of 14 – 110°F degree days over our entire weather records history.

DATETEMP IN °F
6/26/1980113
6/27/1980 113
8/11/1936112
8/18/1909112
6/28/1980112
9/4/2000111
8/2/2011110
8/10/1936110
8/16/1943110
8/25/2023110
7/12/1998110
7/2/1980110
7/18/1980110
8/26/2023110

HOURS BELOW FREEZING LAST WEEK

During last week’s wintry weather, some locations remained at or below freezing for more than 100 hours. Hearne rose above freezing during each day of the event, but Granbury remained at or below freezing from late Sunday (January 29) until early Friday (February 3), a total of 111 consecutive hours. Officially at DFW Airport, the total number of consecutive hours below freezing was 88 hours. The all time record number of consecutive hours spent below freezing for the DFW Metroplex is 295 hours from 7:00 am December 18, 1983 to 2:00 pm December 30, 1983.

SEVERE ICE STORM UNFOLDING FOR THE WESTERN PART OF THE METROPLEX

The National Weather Service office in Fort Worth is upgrading the Winter Storm Warning to an Ice Storm Warning for the western half of the Metroplex including Fort Worth for tomorrow into early Thursday. The potential exists for severe icing on top of the already 1/2 inch of sleet or so. There could be an additional 1/2 inch of ice accretion from moderate to heavy freezing rain tomorrow. This would make travel nearly impossible and hamper the improvement of roadways in this area until late Thursday or early Friday. This amount of ice could potentially cause widespread power outages, especially in areas that have above ground power lines. The weight of the ice can bring them down, and also bring down tree limbs that fall on the power lines. Travel in Tarrant, Parker, Hood, Denton, Johnson, and Wise counties is strongly discouraged.

ICE STORM TAKING SHAPE FOR DFW FOR MONDAY THROUGH WEDNESDAY

An Acrtic airmass is barreling south and should reach the DFW Metroplex by sunrise Sunday morning. Temperatures should plummet 10 to 20 degrees with a an hour or so behind the front. Sunday’s high temperatures are occuring now. This airmass is very dense but shallow, only about 1 km thick vertically. It will also hang around most of the upcoming week.

As cold air advection intensifies Sunday evening, temperatures will drop below freezing all the way to Waco Monday morning. An upper level storm system will approach from out west setting the stage for freezing drizzle on Monday. This will start the icing process on bridges and overpasses. Because it is drizzle, roads may look fine, but are actually coated with a glaze of black ice. Motorists should be very cautious traveling on Monday.

Conditions will worsen Monday night into Tuesday as temperatures get colder and precipitation ramps up. Sleet will also be mixing in with the freezing rain. Total ice accretion from this event depends on several factors and not entirely known at this time. However, it is becoming clear that ice may cause major travel headaches from the DFW Metroplex north and west. There may be enough ice accretion to warrant a Winter Storm Warning for part or all of the forecast area. Please stay alert to changing weather forecasts and conditions.