• Enhanced Risk of severe thunderstorms issued for eastern South Dakota, southwest Minnesota, and northwest Iowa

    The Storm Prediction Center (SPC) has placed parts of eastern South Dakota, southwest Minnesota and northwest Iowa under an Enhanced Risk of severe thunderstorms through Thursday, July 2, 2026. A broader Slight Risk extends from the Dakotas into the western Great Lakes and includes western Kansas, the Tennessee Valley and the southern Appalachians. Damaging wind gusts and large hail are expected to be the primary severe weather hazards across the affected regions.

  • Extreme heat alerts cover portions of 31 U.S. states, heat index up to 46°C (115°F)

    Extreme Heat Warnings, Extreme Heat Watches, and Heat Advisories are in effect across 31 U.S. states after the National Weather Service (NWS) issued a series of heat alerts on June 29, 2026. Peak heat index values are forecast to reach 46°C (115°F), with dangerous heat and humidity expected to persist into early July across parts of the Midwest, Northeast, Southeast, and central United States.

  • Extreme Heat Watches and Heat Advisories issued across Illinois, Missouri, Kansas, Iowa, Nebraska, and South Dakota

    Heat Advisories and Extreme Heat Watches have been issued across parts of Illinois, Missouri, Kansas, Iowa, Nebraska and South Dakota ahead of intensifying heatwave beginning Sunday, June 28, 2026. Heat index values are forecast to exceed 38°C (100°F) across much of the region, with some areas expected to reach 41 to 43°C (105 to 110°F) through Tuesday or Thursday, depending on location.

  • Enhanced Risk issued, strong tornadoes, giant hail, and damaging winds forecast across the Midwest and Great Lakes

    The Storm Prediction Center (SPC) has placed parts of the Upper Mississippi Valley, Midwest and Great Lakes region under Enhanced Risk (Level 3 of 5) through June 11 and 12, 2026, warning that thunderstorms may produce hail larger than 5 cm (2 inches), wind gusts exceeding 120 km/h (75 mph) and several tornadoes, including a few strong tornadoes.

  • Heat Advisories in effect across central U.S., heat index values up to 42°C (108°F) forecast

    Dangerous heat is expected across much of the central United States on June 9, 2026, with multiple National Weather Service offices warning that heat index values will reach 38 to 42°C (100 to 108°F) during the afternoon and evening. Heat Advisories remain in effect across Kansas, Missouri, Arkansas, Tennessee, Mississippi, Iowa, Nebraska, South Dakota, Minnesota, and Wisconsin, with the most dangerous conditions forecast across the Mid-South.

  • PDS tornado watch followed by 19 tornado reports, large hail and damaging winds across central U.S.

    A Particularly Dangerous Situtation (PDS) Tornado Watch issued for northeast Kansas and southeast Nebraska on May 18, 2026, was followed by multiple tornado reports, hail up to about 7 cm (2.75 inches), and damaging wind reports across the central U.S. Preliminary SPC storm reports included 19 tornadoes, damage to farm structures, grain bins, trees, and power lines.

  • SPC forecasts supercells and damaging wind clusters across Iowa late May 15

    The Storm Prediction Center (SPC) placed Iowa under an Enhanced Risk for severe thunderstorms late May 15, 2026, with severe/damaging winds and large to very large hail forecast late this afternoon and evening. Initial supercells may produce hail of 5 cm (2 inches) or larger before storms organize into clusters capable of localized wind gusts above 120 km/h (75 mph).