Storm threat grows later this week

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00:00Well, we have cooler, drier air moving in for the next couple of days.

00:02It'll touch off a few showers and thunderstorms tonight,

00:05but the heat and humidity and more storm chances are moving back in late week.

00:18So we have air quality alerts back across the state today and into tomorrow morning.

00:23Expected to get into the unhealthy category for everybody across central and northern Minnesota.

00:28Probably the orange, unhealthy for sensitive groups in the Twin Cities.

00:31Southern Minnesota already seeing it reaching the red here in the northwestern part of the state

00:35with those north and west winds blowing back in the wildfire smoke.

00:40It's not going to stick around for several days at least.

00:42It looks to blow out tonight into early tomorrow morning,

00:44but we could see more smoke blow back in for northern Minnesota as we head into late tomorrow.

00:49It's visible on satellite. It's that hazy, murky cloud cover, or looks like cloud cover across the state.

00:55To the west, we've got a cool front, another one.

00:58This is another weak front that'll drop the dew points more for tomorrow

01:01and the temperatures for the middle of the week here.

01:04And touch off a few showers and thunderstorms,

01:06mostly northern Minnesota later today into tonight and early tomorrow morning.

01:10So here's 5 p.m.

01:11Some of those thunderstorms you can see popping up in northwestern Minnesota,

01:14and then those will drift south and east in the night.

01:16But as it gets later into the night, most of those showers will kind of fizzle out.

01:20So don't count on a whole lot of rain here in the Twin Cities area.

01:23And still some lingering spotty showers up across northern Minnesota tomorrow.

01:27Still in the 80s today, highs low to mid-80s pretty much across the state.

01:30So that's why it'll take this second front to drop the temperatures and dew points a little bit more

01:34from what we had here Friday and Saturday.

01:36Highs tomorrow, low 80s, just low 70s across northern Minnesota,

01:41where they'll have a few more clouds too.

01:42And again, some of those pop-up spotty showers and storms later in the day.

01:45So dew points will drop tomorrow further.

01:47Still a little sticky today into tomorrow morning, low 60s dew points.

01:51It's an improvement from what we had Friday when we set a record dew point.

01:54But 50s dew points move in for tomorrow afternoon into Wednesday.

01:58Short-lived, though, we're going to see much warmer and more humid air move back in.

02:02So slightly below normal temperatures tomorrow and Wednesday.

02:05But here comes the heat for Thursday, Friday.

02:07And also it's going to open the doors to higher dew points once again.

02:11We'll get back into a southerly flow.

02:14Highs by Friday, upper 80s, maybe near 90 degrees again.

02:17So pretty warm here, again, to end the week.

02:20We'll see dew points probably in the low 70s by Friday afternoon.

02:23So it's not going real far away here these next couple days.

02:26It'll come back in pretty quick Thursday, Friday into Saturday.

02:29And whenever we increase the moisture,

02:31you just kind of automatically increase the chance of storms this time of year.

02:34So bet on an unsettled pattern here again late week into the weekend.

02:38We'll see low-level jet streams develop across the plains again.

02:41These accelerate in the overnight hours just a few thousand feet above the ground.

02:45They help transport moisture and warmth to help produce those nighttime thunderstorms.

02:50Combined with several little upper-level disturbances,

02:52it'll be moving in on this kind of zonal west-to-east flow here that we'll have mid-to-late week.

02:56First chance already could come as early as Wednesday night.

02:59But this is a familiar pattern we've had the last few weeks.

03:02They are very difficult to pinpoint the timing of these disturbances here past 36 to 48 hours.

03:07So you can see clusters of storms occasionally.

03:10Bet on those.

03:10Best chances, as is typical with this pattern, late night, early morning hours.

03:15And no one day will be really a washout at all.

03:18But we are going to definitely see the chance of storms as we head into the middle and latter part of the week.

03:22So close to normal temperatures, though, today, tomorrow, and Wednesday.

03:25And then cranking up the temperatures Thursday, Friday,

03:28into the weekend with those upper 80s, maybe near 90 Friday.

03:32Combined with dew points in the low 70s,

03:34it will feel like it's in the 90s at least, Thursday and Friday.

03:37So that steamy air is making a return here late week.

03:45We'll see you next time.

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