Cleveland is waking up to a sticky, clear morning with temperatures already near 79°F and dew points around 72°F, so the humidity is coming in heavy. Forecasters expect little overnight relief before the afternoon surge, with highs headed for the upper 80s to around 90°F. A mix of sun and clouds should hang around through the day, along with at least a chance of pop-up showers or storms this afternoon. If you are trying to plan your day, the big two worries are the heat and a possible late-night round of thunderstorms.
Heat Advisory Today
The National Weather Service in Cleveland has issued a Heat Advisory from noon to 8 p.m. Thursday, June 11, with highs near 90°F and peak heat index values around 100°F, according to NWS Cleveland. The advisory urges people to "drink plenty of fluids and stay in an air-conditioned room" and to check on relatives and neighbors who do not have access to AC. Forecasters are calling for little overnight cooling, so apartments and vehicles can stay dangerously hot even after sunset.
Late Night Storms Could Bring Gusty Winds
Scattered showers and thunderstorms could bubble up this afternoon, but the main concern is a weakening line of storms expected to move in late Thursday night, roughly between 11 p.m. and 1 a.m. Friday, especially near the I-75 corridor. These storms may bring brief heavy downpours and gusty or damaging winds, so it is worth giving yourself extra time if you are out late and securing loose outdoor furniture beforehand. If severe weather becomes likely in your neighborhood, local warnings will spell out specific timing and impacts.
Where To Cool Off
If you need a break from the heat, Cuyahoga County maintains a list of resources and designated cooling centers. You can find locations and hours on the county's extreme-heat page at Cuyahoga County. Limiting strenuous activity between noon and 8 p.m., staying hydrated, and checking on older neighbors or young children are simple ways to cut your risk. Outdoor workers are encouraged to shift heavy labor to early morning or evening when possible and to pause work if any symptoms of heat exhaustion show up.
What’s Next
A cold front sliding through on Friday should knock down the humidity and drop daytime highs into the upper 70s. Sunnier conditions are expected into the weekend, before another front brings back chances for showers and thunderstorms on Sunday. If you have weekend plans, keep an eye on updated forecasts and consider shifting any outdoor events away from the midday heat today. Check official updates from NWS Cleveland and local county resources as conditions change.
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