National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Central Plains to Upper Midwest; Extreme Heat in Parts of the South

Thunderstorms with severe wind gusts and hail will be possible today across parts of the central Plains, and from the Missouri Valley into the upper Mississippi Valley. Heavy rain associated with the thunderstorms may also produce flash/urban flooding. Critical fire weather conditions expected in the Great Basin and interior Northwest. Dangerous heat continues across the Southwest and Southeast. Read More >

1200 UTC NAM 250 mb Heights, Isotachs, and Wind (kts)

Forecasts are based on the daily 1200 UTC NAM run and are updated daily by 1400 UTC.  Additional models runs can be found here