SPC – No watches are valid as of Sun Jun 22 17:19:02 UTC 2025

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1215 PM CDT Sun Jun 22 2025 Valid 231200Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE CENTRAL PLAINS NORTHEASTWARD TOWARD THE UPPER GREAT LAKES... ...SUMMARY... Strong to potentially severe storms are possible Monday from parts of the Great Lakes into the central Plains. ...Synopsis... A prominent upper high will be centered over the Appalachians, providing hot conditions over much of the eastern CONUS. Early in the day, a shortwave trough will exit the far northern Plains, ejecting across Ontario. Meanwhile

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1136 AM CDT Sun Jun 22 2025 Valid 221630Z - 231200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE UPPER MIDWEST TO THE CENTRAL/SOUTHERN HIGH PLAINS AND OVER PORTIONS OF THE NORTHEAST... ...SUMMARY... Isolated to scattered thunderstorms are expected to develop today across the northern Plains and Upper Mississippi Valley, some of which could produce large hail, damaging wind gusts and tornadoes. Storms associated with severe gusts and hail may also develop across parts of the Northeast, and in the southern and central