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 >

Click a location below for detailed forecast.

Last Map Update: Mon, May 18, 2026 at 6:04:37 pm CDT

A conditional risk for severe weather will exist Monday afternoon, with potential for severe weather if storms develop. The chance of severe weather will increase Monday night and early Tuesday morning, with an Enhanced Risk across northwestern Osage and Pawnee counties and a Slight Risk extending eastward to a McAlester to Fayetteville line. A Marginal Risk extends across the rest of northwest and west central Arkansas, as well as southeast Oklahoma.
Southerly winds will increase late tonight with sustained winds of 20 to 30 mph and gusts up to 45 mph likely across portions of northeast Oklahoma. A Wind Advisory is in effect through 9 PM Monday for these areas.
The potential for severe weather will continue into the daytime Tuesday along and in advance of a cold front. A Slight Risk for severe weather exists along and south of I-44, with a Marginal Risk northwest to a line from Bartlesville to Pawnee.
The better chance for severe storms during the Monday into Tuesday time frame will accompany storms along a cold front, beginning late Monday night/early Tuesday morning and shifting southward into Tuesday afternoon.
A Marginal to locally, Slight Risk of excessive rainfall exists across all of eastern Oklahoma and western Arkansas Monday night into Tuesday. Rainfall amounts of a half to one inch should be common, with local totals in the 2 to 3 inch range possible.
Thunderstorm chances continue tonight into Monday with higher chances Monday night into Tuesday. Severe weather potential likely to develop at times through early next week. Above normal temperatures will continue through Monday, with cooler weather toward the early to middle part of next week.
Latest Text Product Selector (Selected product opens in a new window)

Decision Support Winter Hazards Observations Climate Hydrology
 
 
Social Media Satellite Fire Weather Weather Radio Spotter Training Text Products
 
 
Models