Record heat possible this weekend; rain chances hang around

DETROIT – The heat is just beginning for us. The records seem to be more achievable this weekend while the chance of rain still remains.

Now that the highs are in the 80s, mercury will continue to rise through the weekend.

Thursday will beat May 2nd high of 83 degrees for the warmest yet of the year when we hit the mid-80s in the Metro Zone.

The temperature on Friday will last into the upper 80s, which will be only 4 degrees off the record of 92 degrees.

The high temperatures will stay around this mark throughout the weekend, so the record of 90 degrees on Saturday and the record of 89 degrees on Sunday are definitely in play.

This heat doesn’t come without a bit of dry air. Remember, we are using dew point temperatures as a more accurate measure of humidity compared to relative humidity.

The dew point is simply the temperature that would give you 100% relative humidity. It doesn’t change as drastically as the relative humidity does during the day, so it’s more representative of how humid it feels outside.

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Here are some general rules of thumb for interpreting dew points:

  • Less than 59 degrees are considered “pleasant”.

  • Between 60 and 65 degrees are considered “noticeable”.

  • Between 65 and 70 degrees are considered “muggy”.

  • Between 70 and 75 degrees are considered “tropical”.

  • More than 75 degrees are considered “oppressive”.

By Friday the dew points will only reach 60, so that the humidity is “noticeable”.

Saturday will be similar, but on Sunday dew point temperatures will hit the mid-1960s in many places, giving some a legitimate “muggy” day.

On Sunday night we get a little drier air, then on Monday again humid.

After dry days Thursday and Friday, Saturday has an early shower or thunder chance. But that will mainly be in the northern part of the area and should be gone by lunch.

Sunday looks dry at the front end, with showers and thunderstorms in the early evening. Most of the daylight hours on weekends still look dry.

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