Weather Headlines and Updates – July 28, 2025

Severe Weather Threat: Derecho Expected in Northern Plains

• Widespread Damaging Winds Likely: The northern Plains, including parts of North Dakota, South Dakota, and Minnesota, are at high risk for widespread damaging winds, with several gusts expected to exceed 75 mph.¹ NOAA’s Storm Prediction Center anticipates a derecho will blast across these areas, bringing significant wind damage.²
  • Source: Derecho expected to blast violent, hurricane-force wind gusts across northern Plains on Monday – FOX Weather
  • Source: Derecho to charge across central US with destructive winds – AccuWeather
  • Source: Outlook for Monday, July 28 – Severe Weather Outlook
• Additional Hazards: Along with extreme winds, a few line-embedded tornadoes and instances of severe hail are also possible.³ Scattered severe storms with wind and hail may also occur in parts of Montana.⁴
  • Source: Outlook for Monday, July 28 – Severe Weather Outlook

Heat Continues Across Central and Southeast U.S.

• Widespread Heat Advisories and Warnings: Approximately half of the United States, affecting over 198 million Americans, is under active heat advisories and warnings.⁵ Extreme heat is expected in the Midwest, Southeast, and parts of the Northeast, with “feels-like” temperatures exceeding 100 degrees Fahrenheit in many areas.⁶
  • Source: Heat maps show half the U.S. under advisories, warnings – CBS News
• Impact on Mississippi: Specifically for Starkville, MS, a Heat Advisory is in effect from July 28, 10:00 AM CDT until July 29, 08:00 PM CDT, with heat index values as high as 41°C (106°F) expected.
  • Source: 7-Day Forecast 33.46N 88.83W – National Weather Service

Tropical Weather Update

• Atlantic Basin: Tropical cyclone formation is not expected in the North Atlantic, Caribbean Sea, or Gulf of Mexico during the next 7 days.⁷
  • Source: Atlantic Tropical Weather Outlook – National Hurricane Center – NOAA
• Central Pacific: The National Hurricane Center is issuing advisories on Tropical Storm Iona, located well southeast of the Hawaiian Islands, which is strengthening.⁸
  • Source: NHC Active Tropical Cyclones – National Hurricane Center – NOAA
• Eastern North Pacific: An area of low pressure well southeast of the Hawaiian Islands is showing signs of organization, with a high chance (80%) of developing into a tropical depression or storm later today.⁹ Another area of low pressure is forecast to form offshore of southwestern Mexico early next week with a high chance (90%) of development.
  • Source: Eastern North Pacific 7-Day Graphical Tropical Weather Outlook – National Hurricane Center

Disclaimer: This information was researched and curated with the assistance of AI, but reviewed and verified by a human.