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MM’s Wed Wx Blog for July 21

MM News

Mark your calendars for July 27 at 4:00! That will be the next Meteorologist Mark science class for kids! The topic this month will be flooding. Registration is required and that sign-up sheet can be found at The class is sponsored by TCAT. To support the educational outreach programs of MM or the maintenance of this site, find the donate button on this page or scroll to the bottom of this page for the Paypal link. Thank you!

Radar & Wx Alerts Link 

Radar can be found here:

Weather alerts can be found here:

Weather Headlines 

A forecast that is trending drier

Best chance of rain will hold off until early next week

Be safe in the heat and humidity

Meteorologist Mark’s Wx Vlog 

Seven-Day Forecast

Daily Forecast 

Wednesday – Saturday: Partly to mostly sunny. Hazy, hot and humid.

Sunday: Partly cloudy, with a chance for an afternoon/evening shower or storm.

Monday – Tuesday: Partly cloudy, with scattered afternoon/evening showers and thunderstorms.

Hay Weather Forecast

The forecast just keeps trending drier!

Meteorologist Mark’s Wx Concerns

Almanac for Yesterday


A system off the Southeast coastline is gaining the attention of the National Hurricane Center. It could develop into some type of tropical system by Friday. I’ll keep you posted.

Sun & Moon

Planting by the Moon 

21st – 22nd Any above ground crops that can be planted now will do well.

23rd – 24th Good days for killing weeds, briars, and other plant pests. Poor for planting.

25th – 27th Set strawberry plants. Good days for transplanting. Good days for planting beets, carrots, radishes, salsify, turnips, peanuts, and other root crops. Also good for vine crops.

28th – 29th A barren period.

30th – 31st Good days for transplanting. Root crops that can be planted now will yield well.


1st Good day for transplanting. Root crops that can be planted now will yield well.

2nd – 3rd Any seed planted now will tend to rot.

4th – 6th Plant seedbeds and flower gardens. Good days for transplanting. Most favorable days for planting beets, onions, turnips, and other root crops.

On This Day in Wx History

1994- Two persons are injured by lightning while hanging gutters on a house in Crossville.

Yesterday’s National Temperature Extremes

High:  120° at Death Valley, California

Low:   35° at Bodie state Park, California 

Today’s Tennessee Weather 

It’s a hazy, hot, and humid summer day in Tennessee! It will be a dry day for most, with only a slight chance for an afternoon shower or storm near the southern border of our state. Afternoon highs will climb into the mid to upper 80s, with our larger cities flirting with the 90-degree mark. Please note that there is an air quality alert in effect for the Nashville, Clarksville, and Bristol areas. Those of you with breathing issues should limit outdoor activities today.

Tonight’s Tennessee Weather 

A warm and humid Wednesday night is in store for the region. Overnight lows will fall into the mid to upper 60s.

Tomorrow’s Tennessee Weather 

It’s another hot and humid day, but with a better chance for some afternoon thunderstorms for some. The best rain chance is across areas of West Tennessee, where a 50% chance of an afternoon shower or storm can be found. Areas of southern Middle and East Tennessee will see about a 30% chance of the same. The rest of us will be partly to mostly sunny. All of us will see high temps in the upper 80s, with our cities touching the 90-degree mark.

Drought Monitor

The drought monitor is updated each Thursday.

Weather SnapShots

A beautiful sunset pic of a gorgeous lightning strike in Arizona Tuesday night. Photo by @lorigraceaz.


NASA Nerdology 

Fifty-two years ago last night man walked on the Moon. This is a replica of the gold olive branch Neil Armstrong left on the moon. The branch represented a wish to have peace for all mankind.

Golden olive branch replica

You all have a great day and keep lookin’ up!

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