Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns
Canadian wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as we closely monitor tropical development, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >
| NWS Forecast for: St Joseph to South Haven MI (LMZ844) Issued by: National Weather Service Grand Rapids, MI Last Update: 936 AM EDT Sun Jul 19 2026 |  |
| Rest Of Today: Northeast winds 5 to 10 knots backing north 10 to 15 knots early in the afternoon. Mostly sunny. Patchy smoke. Waves 1 to 2 feet. Tonight: North winds 10 to 15 knots veering east 5 to 10 knots in the late evening and early morning, then veering southeast after midnight. Mostly clear. Patchy smoke. Waves around 1 foot. Monday: South winds 5 to 15 knots. Partly sunny. Patchy smoke. Waves around 1 foot. Monday Night: Southwest winds 15 to 25 knots. Rain showers and a chance of thunderstorms. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Tuesday: Southwest winds 20 to 25 knots veering northwest in the late morning and afternoon. Mostly sunny with rain showers. Waves 4 to 6 feet. Wednesday: North winds 20 to 25 knots. Mostly sunny. Waves 6 to 9 feet. Thursday: Southeast winds around 5 knots veering west in the late morning and afternoon. Sunny. Waves 1 to 2 feet. | |
| Zone Forecast: St Joseph to South Haven MI (LMZ844) | |
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