Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

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Last Map Update: Sat, Jun 21, 2025 at 6:48:44 pm AST

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Are you weekend ready?

¿Estas listo para el fin de semana?

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[Valid for June 20-22] This graphic highlight key outdoor hangout spots across Puerto Rico and the US Virgin Islands, alongside the weekend weather outlook. Expected conditions include warm temperatures with heat indices of 102-108ºF, breezy winds causing choppy seas and a moderate rip current risk, and daily rain activity, especially in western Puerto Rico in the afternoon. Precautionary tips are included to help visitors and locals enjoy their weekend plans safely.

[ Valido para el 20-22 de junio ] Esta gráfica destaca los principales lugares para pasar el rato al aire libre en Puerto Rico y las Islas Vírgenes Americanas, junto con el pronóstico del tiempo para el fin de semana. Se esperan condiciones calurosas con índices de calor de102 a 108ºF, brisa fuerte que genera oleaje picado y riesgo moderado de corrientes marinas, y actividad de lluvia cada día, especialmente en el oeste de Puerto Rico en la tarde. Se incluyen recomendaciones para ayudar a visitantes y residentes a disfrutar sus planes del fin de semana de manera segura.

[June 21] 🌬️⛈️Breezy conditions are expected today across the islands with afternoon showers and thunderstorms over central and western PR. 🌡️ Hot temperatures are expected too, with highs reaching the upper 80s to low 90s in portions of the coastal and urban areas of the islands. ***** 🌬️⛈️Se esperan condiciones ventosas a través de las islas con aguaceros y tronadas en la tarde sobre el centro y oeste de PR. 🌡️Se esperan temperaturas cálidas también, con las máximas alcanzando los altos 80s a bajos 90s en las áreas costeras y urbanas.

[JUN 21ST] Mostly fair conditions (and a little breezy) will prevail tonight across the region. Low concentrations of Saharan Dust continue over the area, if sensitive to these particles, take the necessary precautions. | [21 JUNIO] Esta noche condiciones mayormente tranquilas (y algo de brisa) prevalecerán a través de la región. Bajas concentraciones de Polvo del Sahara continúan sobre el área, si es sensible a este particulado, tome las precauciones necesarias.