National Weather Service United States Department of Commerce

Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

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Last Map Update: Mon, May 18, 2026 at 7:02:40 am CDT

Strong southerly winds of 25-35 mph and gusts up to 50 mph are expected tonight through Monday evening. A Wind Advisory is in effect.
Near critical to critical fire weather conditions will be possible Monday afternoon across portions of western OK and western north TX. A Red Flag Warning is in effect from 1 PM to 9 PM.
There is a very low chance of severe thunderstorms on Monday afternoon with chances increasing on Monday night into Tuesday morning as a cold front moves through the area. Very large hail up to the size of baseballs, damaging wind gusts up to 70 mph, and tornadoes are possible.
The chances of severe thunderstorms during the day and into the early evening is very low. The best chance of severe weather is late Monday night and into Tuesday.
Severe thunderstorms, capable of producing large hail and damaging winds, are possible on Tuesday.
Shower/storm chances are very low today and become likely on late Monday night and through Tuesday.
Warm and windy conditions are expected today with fire weather conditions and severe storms possible. A cold front moves through tonight into Tuesday and seasonable temperatures return to the area. An unsettled pattern will provide for daily chances of showers and storms.

Local Weather History For May 18th...
On this date in 2017, it was a busy severe weather day across
Oklahoma and western north Texas. Along with widespread storms
producing damaging wind and hail, there were also several weak
tornadoes across western and eastern parts of Oklahoma. A significant
storm across southwest parts of Oklahoma hit a mesonet observation
site near Walters, yielding a 104 mph wind gust.

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