A Red Flag Warning remains in effect across large parts of Interior Alaska until 22:00 AKDT (06:00 UTC June 22) on June 21, 2026. Scattered thunderstorms capable of producing lightning along with low humidity, hot temperatures, and gusty winds to create critical fire weather conditions in the region.
A multi-day severe weather outbreak is forecast to affect large portions of the central and eastern United States through Tuesday, June 23, 2026. Forecasters are warning of scattered to widespread flash flooding in parts of Nebraska, Kansas, and Missouri under a Moderate Risk of excessive rainfall, while severe thunderstorms capable of producing very large hail, damaging winds, and tornadoes develop across the Plains and Midwest.
A train was derailed in Warren County, Illinois, as severe storms brought winds of up to 161 km/h (100 mph) across the region on June 17, with National Weather Service surveys confirming three EF-1 tornadoes in Illinois and Iowa.
The Storm Prediction Center (SPC) has placed portions of the Central Plains including parts of Kansas and Nebraska under an Enhanced Risk of severe thunderstorms for Saturday, June 20, 2026. Large to very large hail, damaging winds exceeding 121 km/h (75 mph), and tornadoes possible from afternoon into evening hours.
A Moderate Risk (Level 4 of 5) for severe thunderstorms has been issued for parts of Indiana and Illinois through June 17, 2026. Wind gusts of over 120 km/h (75 mph), damaging hail and multiple tornadoes are forecast across the region as the storm system moves through the Midwest.
15 campers were rescued in Oklahoma after getting stranded by floodwaters near Littlefields in Cherokee County on Sunday, June 14, 2026.
Heavy rainfall is forecast from South Texas into the lower Mississippi Valley this week. Moderate Risk excessive rainfall outlooks remain in effect across parts of the Gulf Coast as multiple rounds of thunderstorms develop within an unusually moist tropical air mass. Rainfall totals could reach 100 to 150 mm (4 to 6 inches) in some areas, with locally higher amounts possible from June 15 to 17, 2026.
At least one person was killed, and 22 others were injured after damaging winds caused a tent to collapse at a church south of Moneta on June 12, 2026.
The Storm Prediction Center (SPC) said a fast-moving convective system that crossed parts of the Midwest and Great Lakes on June 10, 2026, has been preliminarily classified as a derecho after producing widespread wind damage, downed power lines, and measured gusts exceeding 145 km/h (90 mph).
Severe storms that produced damaging tornadoes outside Chicago killed one person in Iowa, damaged communities in Illinois and Indiana, and left hundreds of thousands without power across the Midwest and Northeast on Thursday, June 11, 2026. As of 03:00 CDT (08:00 UTC) on Friday, more than 650 000 customers were without power across 8 states, including at least 250 000 in Illinois and 170 000 in Indiana.
