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Current Condition
70°
Mainly Cloudy
Humidity: 90% Dew Point: 67°
Wind: W 6 mph Visibility: 7.0 mi
Pressure: 29.90 in
Conditions as of 11:53pm
Early Morning
63°
Lows dip down to about 63 under overcast skies with scattered thunderstorms likely
90%  
6:11am   8:51pm
Tuesday
74°
Highs around 74 under cloudy skies with isolated thunderstorms likely
94%  
6:11am   8:51pm
Tuesday Night
52°
Lows dip down to about 52 under clearing skies
3%  
6:11am   8:51pm

June 21, 2021 #TriCitiesWx Forecast

Monday, June 21

We’ve seen a few rain showers across our area so far today, but that’s about to change. Many thunderstorms are to our west with Severe Thunderstorm Warnings, and I have a feeling we’ll see that continuing for us this evening. Welcome to the Tri-Cities Weather Blog forecast for tonight through Friday!

At 5:30 this afternoon, there was a storm in Hancock County south of Sneedville that produced hail the size of ping pong balls…or larger than quarters and smaller than golf balls. So that area all the way through most of Hawkins County will be under a Severe Thunderstorm Warning until 6:15 this evening. At the same time, other thunderstorms were lined up to the west in Claiborne, Campbell and Scott Counties, into Anderson, Union and Knox Counties. Between that and the eastern Kentucky storms with possible issues for Southwest Virginia, it could be a loud night storm-wise.

A cold front is approaching us, and that’s what is causing all this madness. That front moves through tomorrow morning, thus ending the storms for a few days. Here’s the outlook:

  • Tonight-Scattered showers and thunderstorms. Low 65. Severe storms are possible, mainly damaging winds and hail.
  • Tuesday-Partly to mostly cloudy, rain showers are likely mainly in the morning hours. High 75.
  • Tuesday night-Becoming partly cloudy. Lows near 50.
  • Wednesday-Mostly sunny, highs near 80.
  • Thursday-Mostly sunny, high 84.
  • Friday-Partly cloudy, maybe a thunderstorm in the mountains in the afternoon. High 85.

So the main focus on this forecast is Monday night, obviously, with storms moving through. They’ll happen this evening, then there’s another line out there for later on, if it stays together. These storms have a history of knocking down trees, which could also affect power lines as well. Very heavy rain, lots of lightning and hail are possible as well. With regard to hail size, it’s generally figured that hail the size of quarters has the chance of damaging things outdoors, mainly cars. So that’s the reason for the quarter-sized hail being a severe weather criterion.

The best chances for storms are from 6 PM to midnight…so we might get one round of storms in, get the kids to bed, and another round happens. So be prepared for whatever that might cause overnight. Some kids are scared of storms and need you around, others can sleep through a nuclear blast and not wake up. Be sure you know which one yours are, and plan accordingly!

The cold front moves through tomorrow, so Tuesday should look better as it goes on. There should be considerable clouds for most of the day, so it’s likely that we don’t get close to 80 tomorrow afternoon. We will get close to that Wednesday with sunshine, and back toward average for Thursday and Friday. Sunshine is likely for Thursday, with partly cloudy skies and that small chance of rain for Friday.

Thanks for checking here for the forecast! I typically go on the air for tornado warnings only at this time, but I’ll tweet severe thunderstorm warnings as long as they’re up. Check my Twitter feed on the right side of the page for more on that. Stay safe tonight, and have a great Tuesday!

7-Day Forecast:

Early Morning
450_night
63°
Lows dip down to about 63 under overcast skies with scattered thunderstorms likely. West winds 5 to 10 mph.
90% WSW 5 mph
Moon: Waxing Gibbous
90%
WSW 5 mph
Tuesday
6/22
450_day
74°
Highs around 74 under cloudy skies with isolated thunderstorms likely. Winds turning northwest 5 to 10 mph.
94% NW 6 mph
Sunrise: 6:11am  Sunset: 8:51pm
94%
NW 6 mph
Tuesday Night
120_night
52°
Lows dip down to about 52 under clearing skies. Winds turning north around 5 mph.
3% N 3 mph
Moon: Full Moon
3%
N 3 mph
Wednesday
6/23
120_day
80°
High of 80 under mainly clear skies. Northeast winds around 5 mph.
3% ENE 2 mph
Sunrise: 6:11am  Sunset: 8:51pm
3%
ENE 2 mph
Wednesday Night
120_night
58°
Overnight lows approaching 58 under mainly clear skies. Easterly winds around 5 mph.
4% ESE 2 mph
Moon: Full Moon
4%
ESE 2 mph
Thursday
6/24
120_day
84°
Highs around 84 under mainly clear skies. Southeast winds 5 to 10 mph.
11% ESE 4 mph
Sunrise: 6:12am  Sunset: 8:51pm
11%
ESE 4 mph
Thursday Night
120_night
59°
Lows level off around 59 under mainly clear skies. Southeast winds 5 to 10 mph.
7% SE 4 mph
Moon: Full Moon
7%
SE 4 mph
Friday
6/25
430_day
85°
Partly cloudy skies with a chance for scattered storms. Highs around 85, southeast winds around 5 mph.
15% SE 3 mph
Sunrise: 6:12am  Sunset: 8:51pm
15%
SE 3 mph
Friday Night
430_night
65°
Mainly cloudy skies with a chance for scattered thunderstorms. Lows dip down to about 65, winds out of the south around 5 mph.
17% SSE 3 mph
Moon: Full Moon
17%
SSE 3 mph
Saturday
6/26
430_day
84°
Mainly cloudy with a chance for scattered storms. High of 84, southerly winds 5 to 10 mph.
42% SSW 4 mph
Sunrise: 6:12am  Sunset: 8:51pm
42%
SSW 4 mph
Saturday Night
430_night
67°
Chance for scattered thunderstorms, otherwise overcast. Lows level off around 67, south winds around 5 mph.
36% S 3 mph
Moon: Waning Gibbous
36%
S 3 mph
Sunday
6/27
450_day
84°
Scattered thunderstorms likely, otherwise mainly cloudy skies. High temperatures reach up to 84, southerly winds 5 to 10 mph.
59% SSW 4 mph
Sunrise: 6:13am  Sunset: 8:51pm
59%
SSW 4 mph
Sunday Night
430_night
66°
Chance for scattered thunderstorms, otherwise overcast. Lows level off around 66, southerly winds around 5 mph.
41% S 3 mph
Moon: Waning Gibbous
41%
S 3 mph
Monday
6/28
430_day
82°
Chance for scattered thunderstorms, otherwise mainly cloudy skies expected. Highs around 82, south winds around 5 mph.
54% S 3 mph
Sunrise: 6:13am  Sunset: 8:51pm
54%
S 3 mph

Next 36 Hours

1:00am
450_night
70°
Cloudy
WSW 5 mph
2:00am
450_night
69°
Cloudy
WSW 5 mph
3:00am
450_night
68°
Cloudy
WSW 5 mph
4:00am
450_night
67°
Cloudy
WSW 6 mph
5:00am
450_night
65°
Cloudy
WSW 6 mph
6:00am
450_day
65°
Cloudy
W 6 mph
7:00am
450_day
64°
Cloudy
W 5 mph
8:00am
251_day
64°
Cloudy
WNW 5 mph
9:00am
251_day
66°
Cloudy
WNW 5 mph
10:00am
251_day
68°
Cloudy
NW 6 mph
11:00am
251_day
70°
Cloudy
NNW 6 mph
12:00pm
251_day
71°
Cloudy
NNW 6 mph
1:00pm
251_day
72°
Cloudy
NNW 6 mph
2:00pm
251_day
73°
Cloudy
NNW 6 mph
3:00pm
251_day
73°
Mainly Cloudy
NNW 6 mph
4:00pm
251_day
73°
Mainly Cloudy
NNW 6 mph
5:00pm
150_day
73°
Clouds and Sun
NNW 6 mph
6:00pm
150_day
72°
Clouds and Sun
NNW 6 mph
7:00pm
150_day
71°
Clouds and Sun
NNW 5 mph
8:00pm
120_day
70°
Clouds and Sun
NNW 3 mph
9:00pm
120_night
67°
Mainly Clear
NNW 3 mph
10:00pm
120_night
64°
Mainly Clear
N 3 mph
11:00pm
100_night
62°
Mainly Clear
N 2 mph
12:00am
100_night
60°
Mainly Clear
NNE 2 mph
1:00am
100_night
58°
Mainly Clear
NE 2 mph
2:00am
100_night
56°
Mainly Clear
NE 2 mph
3:00am
100_night
55°
Mainly Clear
NE 2 mph
4:00am
100_night
53°
Mainly Clear
NE 2 mph
5:00am
100_night
52°
Mainly Clear
ENE 2 mph
6:00am
100_day
52°
Mostly Sunny
ENE 2 mph
7:00am
100_day
53°
Mostly Sunny
ENE 2 mph
8:00am
100_day
56°
Mostly Sunny
ENE 2 mph
9:00am
100_day
60°
Mostly Sunny
ENE 2 mph
10:00am
100_day
66°
Mostly Sunny
ENE 2 mph
11:00am
100_day
70°
Mostly Sunny
ENE 3 mph
12:00pm
100_day
74°
Mostly Sunny
NE 3 mph