Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest
Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >
| NWS Forecast for: Grand Portage to Grand Marais MN (LSZ140) Issued by: National Weather Service Duluth, MN Last Update: 527 PM CDT Wed Aug 19 2026 | |
| Tonight: Southwest wind 5 to 10 knots becoming northwest late in the evening, then becoming northeast after midnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet. Thursday: Northeast wind 5 knots becoming southeast in the late morning and afternoon. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Waves 1 foot or less. Thursday Night: Northeast wind 5 to 10 knots. Chance of rain showers in the evening. Waves 1 foot or less. Friday: Northeast wind 5 to 10 knots becoming southeast early in the afternoon, then becoming southwest late in the afternoon. Partly sunny. Waves 1 foot or less. | |
| Zone Forecast: Grand Portage to Grand Marais MN (LSZ140) | |
Visit your local NWS office at: https://www.weather.gov/dlh |