Metro Detroit weather: Summer begins on a hot and humid Saturday

Highs near 90 degrees

DETROIT – An Air Quality Alert is in effect for Genesee, Lapeer, Livingston, Macomb, Monroe, Oakland, St. Clair, Washtenaw and Wayne counties.

Welcome to Saturday, Motown.

Summer begins today and it will feel like it in every conceivable way. It will be bright. It will be muggy. It will be scorching. Saturday night will be warm and calm. Sunday has an approaching cold front for Fathers' Day with clouds and wet weather, but it will still be sweltering

Saturday morning will be warm and mostly sunny. Temperatures start in the 60s. This will be the best time of day to get any outdoor exercise or chores done because we'll have the most comfortable and healthy conditions during this time period. Afterward, temperatures skyrocket and the air quality plummets.

Sunrise is at 5:57 a.m.

The summer solstice occurs at 5:44 p.m. which will mark the official start of astronomical summer. We will have over 15 hours and 16 minutes of daylight, and that will be the longest amount of sunshine for the year. After today, the days get shorter.

Saturday afternoon will be mostly sunny, hot and humid. Highs will be in the upper 80s with heat indices near 90 degrees.

Remember to keep children and pets away from empty, unattended vehicles on this hot day. Also, the UV index will be high, so remember to slather on the sun block for everyone before going outdoors.

Air pollution levels will increase and, therefore, air quality will decrease. So, those with pre-existing heart or respiratory conditions should take it easy today. To keep air quality more acceptable, carpooling, taking the bus, refraining from using gas-powered equipment after noon and re-fueling after dusk are great options.

Saturday evening will be mostly clear and warm. Temperatures will be in the 80s.

Sunset is at 9:13 p.m.

Air conditioners and fans need to keep humming, Saturday night. It will be fair and warm with overnight lows in the upper 60s. Skies become partly cloudy.

Happy Fathers’ Day, Sunday! It will be mostly cloudy with showers and thunderstorms possible. So, plan on indoor activities you know your dad will love. Outdoor, it will still be hot with highs near 90 degrees.

The atmosphere remains unstable, Monday and Tuesday. Highs will be in the 80s each day with on and off showers and storms.

MARINE FORECAST

Lake Erie

Saturday: Wind SSE 4-8 knots, Waves 0-1 ft., Water Temp 68 degrees

Saturday Night: Wind S 4-8 knots, Waves 0-1 ft., Water Temp 69 degrees

Sunday: Wind S 10-15 knots, Waves 0-1 ft., Water Temp 69 degrees

Lake Huron

Saturday: Wind SSE 4-8 knots, Waves 0-1 ft., Water Temp 60 degrees

Saturday Night: Wind S 4-8 knots, Waves 0-1 ft., Water Temp 61 degrees

Sunday: Wind S 10-15 knots, Waves 0-1 ft., Water Temp 61 degrees

Lake St. Clair

Saturday: Wind SSE 4-8 knots, Waves 0-1 ft., Water Temp 65 degrees

Saturday Night: Wind S 4-8 knots, Waves 0-1 ft., Water Temp 65 degrees

Sunday: Wind S 10-15 knots, Waves 0-1 ft., Water Temp 66 degrees

UP NORTH FORECAST

Northern Lower Peninsula

Saturday: Partly sunny and hot with scattered showers and storms to the south, better chance of storms to the north. Highs in the middle to upper 80s.

Saturday Night: Mild with showers. Lows in the low, mid 60s.

Sunday: Showers likely, warm. Highs in the low, mid 80s.

Upper Peninsula

Saturday: Mostly cloudy, mild to warm with showers likely. Highs in the upper 60s near Lake Superior; in the 70s farther south.

Saturday Night: Cool with showers. Lows in the low, mid 50s.

Sunday: Showers likely, milder. Highs in the mid, upper 70s.

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