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KCRG TV 9 First Alert Forecast

KCRG TV9 FIRST ALERT FORECAST FOR FRIDAY, JUNE 23, 2017 

TODAY:  PARTLY SUNNY, BREEZY AND COOLER.  HIGH 76.  NORTHWEST WIND 15-25 MPH.

TONIGHT:  MOSTLY CLEAR AND COOL.  LOW 53.  

TOMORROW:  PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS

                           IN THE AFTERNOON.  HIGH 71. 

EXTENDED OUTLOOK SUNDAY THROUGH TUESDAY: 

DRY SUNDAY AND TUESDAY, A CHANCE OF SHOWERS MONDAY.  HIGH’S IN THE 60’S & 70’S.  LOW’S IN THE 40’S & 50’S. 

MISSISSIPPI RIVER STAGE AT DUBUQUE:  13.6-FEET & RISING                   

 

    

  

KCRG Weather Blog

Cool weekend ahead

A tremendously cool airmass by June standards will be impacting the upper Midwest this weekend. When you talk about the end of June averages, you are usually looking at highs into the 80-85 range and lows in the lower 60s. It'll be tough to ever get a colder airmass than this for the end of June as highs struggle to even get to 70 this weekend. The entire northern half will stay in the 60s. The breezy conditions and increase in clouds will actually put a bit of chill into the air at times. Valley locations should easily get down to the 40s at night. Getting this cold in the Summer will set up a battleground over the upper Midwest once warmth builds northward. This is good for keeping additional abnormal dryness at bay, but, you'll have a wait a while for the return of big heat.

UPDATE: Severe weather possible Thursday night

The warmth, mugginess, and a cold front moving in will trigger storms later today that will last through the evening hours. Timing with the storms look to be roughly around 6 PM for the northwestern portion of the viewing area. Central eastern Iowa timing looking to be roughly around 7 to 8 PM and the far eastern portions will experience the storms soon after. Storm activity will last throughout the overnight hours and diminish early Friday morning. A few storms have the potential to become severe. Wind and hail will be the main threats. An isolated tornado cannot be ruled out. Everyone is as risk for severe weather this evening. The image above shows the areas at most concern highlighted in yellow. Heavy rain will also become a concern. Rainfall totals look to stay around a half inch to over an inch for those who experience heavier thunderstorms. Once this front passes, our weather changes completely the other direction. Highs will only warm into the low 70s and for most of the weekend rain chances will stay limited.

UPDATE: Storm storms possible late tonight and Thursday evening

A few lingering showers will persist for the remainder of Wednesday afternoon, before we completely dry out for the evening. However, more storms are possible after midnight that could be strong to severe. Most of our Wednesday evening should consist of dry, warm, and muggy conditions. A warm front will continue lifting north through Iowa tonight, and will be the focus for possible storms developing late. Some of these storms may be strong to severe with large hail and damaging winds being the main threat. As of Wednesday afternoon, a Level 1 (slight) risk for severe weather exists tonight for areas north of Interstate 80. Storms are expected to leave eastern Iowa by Thursday morning, leaving us mainly dry for the day. However, it will be much muggier than in recent days. A cold front will be pushing south later in the afternoon, and is expected to fire up storms out ahead of it. These storms will likely then push into the TV9 viewing area in the late afternoon and early evening Thursday. A Level 1 (slight) risk for severe weather is place for all of eastern Iowa for tomorrow. The First Alert Storm Team will be monitoring the developing weather situation closely.

Summer’s here, and so is decreasing daylight

Summer began Tuesday night at 11:24 p.m., and today marks the first day in which we begin to lose daylight once again. You won’t really notice it, though – it’s only a four-second decrease. The amount of daylight lost each day will keep picking up until the first day of fall, and then it’ll slow down until we turn the tide again in December on the first day of winter. Interestingly, even though the amount of daylight is decreasing, our sunset is still getting a tiny bit later. The latest sunset of the year doesn’t happen until June 26 or 27. How are we losing daylight, then? The sun is rising later in the morning and making up the difference. Today’s length of day is 15 hours, 14 minutes, and 14 seconds. The first day of winter has nine hours, seven minutes, and nine seconds of daylight.

Strong storms possible Wednesday night and Thursday

After a dry stretch from Sunday through Tuesday, storms are expected to return to eastern Iowa for mid-week and some of those could be strong to severe. A warm front will be lifting north through eastern Iowa on Wednesday and may produce a few showers and storms as it does. This activity is not expected to be severe. Later Wednesday night, more storms are expected to develop, especially during the overnight hours and early Thursday morning. Some of these storms may be severe, producing large hail and strong winds. A break in the action is possible for most of Thursday, before more storms possibly develop in the afternoon and evening. This round may also be severe, with all severe threats possible. Wednesday night’s storms may have a significant impact on the timing, placement, and strength of Thursday’s storms. As of Tuesday, a Level 1, slight risk for severe weather is in place on Wednesday night for the area northwest of a line from Guttenberg to Marshalltown. On Thursday, all of the eastern Iowa is in a Level 1 risk. Stay up-to-date with the First Alert Storm Team for updates on the severe weather potential.