National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Fig. 10. The KMAF 88D base reflectivity from 1729 to 2025 UTC showed Tropical Storm Claudette as it crossed the Rio Grande River into west Texas. The storm’s central circulation and convective spiral bands are easily seen. In addition, data from the Lightning Detection Network depicted very few cloud-to-ground strikes within the storm’s central precipitation shield with a much higher frequency of lighting strikes in the convective bands.