Rain with Isolated Storms…then Snow

February 27, 2017

We started the day with sunshine but during the afternoon, clouds begin to fill in as we warm to the mid-40s to low 50s. Rain will track in this evening as a warm front south of us lifts north.

Light rain continues through the day Tuesday as low pressure tracks near and eventually away from the state.

A few isolated storms are also possible in parts of southeast Iowa (no severe weather expected), which may include some of our southern counties.

As cooler air wraps around on the back side of low pressure, some light snow may mix with rain on Wednesday. Highs on Wednesday return to near normal in the upper 30s.

A quick moving snow shower is possible on Thursday. Thursday will also be the coolest day of the week with highs in the mid 30s. The first weekend in March looks very pleasant (and unseasonably mild). Highs both Saturday and Sunday reach the mid-50s…a breezy wind tracks in by Sunday.

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This post was written by Rachael Peart
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Mild Last Sunday of the Month

February 26, 2017

 

The rest of the weekend remains dry and relatively mild. Highs today will be 10-15° warmer than yesterday’s. We’ll warm to the upper 30s north and those in southern counties will be closer to 50°. A breezy southwest wind is to “blame” for the milder feel today.

Overnight clouds clear out by late morning, leaving mostly sunny skies for this afternoon. Mostly clear skies continue tonight into Monday morning.

Monday starts with mostly sunny skies but by the afternoon, we’ll see a few more clouds beginning to track in. A continued south wind pushes high temperatures up even more tomorrow – mid-40s to mid-50s. A system tracks near our area through the day Tuesday, bringing rain (with a chance of storms south). Behind that system, temperatures fall to near normal by midweek. Strong winds on Wednesday calm slightly for Thursday before tracking out by Friday. Next weekend looks warm with highs both days potentially in the 50s.

And as a reminder, we are two weeks from the beginning of Daylight Saving Time.

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Posted under Forecast Discussion, Windy

This post was written by Rachael Peart
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Much Cooler and Breezy Saturday

February 25, 2017

 

Snow has completely tracked out of the area by sunrise Saturday. Clouds are quick to follow, leaving mostly sunny skies by late morning. Strong overnight northwest winds become breezy for the daylight hours across the region. For the first time in a long time…we top out below normal. Highs only reach the mid-20s to low-30s (normal highs for late February are in the mid 30s). Winds subside overnight and become southerly. Temperatures fall to the upper teens and low 20s right before sunrise Sunday.

 

 

Sunday will be the better half of the weekend. Though both days feature abundant sunshine and breezy winds, Sunday also stars temperatures near and even slightly above normal. We warm to the mid-30s to mid-40s tomorrow. Monday brings even milder air with less wind and a few more clouds. A chance of rain tracks in Tuesday, leaving breezy to windy conditions in its wake for the rest of the week. Mostly cloudy skies linger on Wednesday before tracking out just in time for next weekend. Temperatures average near/above normal for the next seven days – upper 30s to mid 40s.

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This post was written by Rachael Peart
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Snow Totals as of Saturday Morning

February 25, 2017

Snow reports across Iowa from Friday morning to Saturday morning. Higher amounts are indicated by yellow and orange dots (NWS)

Here are some of the snow reports from Friday’s snowfall:

Waterloo 1.2
Dubuque 1.0
Cedar Rapids 0.5
Iowa City 1.3
1 N HAMPTON 4.0
1 NE IOWA FALLS 1.0
1 NNW ALLISON 3.0
1 SSE CHARLES CITY 2.0
1 SW MONONA 2.0
1 WNW WAUCOMA 0.5
1 WSW HAMPTON 2.5
2 NE CRESCO 5.0
2 WSW NASHUA 2.0
3 SSE STEUBEN 0.5
4 WSW LANCASTER 0.1
4W Cedar Rapids 0.5
5 ESE DECORAH 1.0
5 NW EASTMAN 1.0
6 SE DUMONT 1.0
6 SE LANSING 1.0
8 ENE DECORAH 2.0
CALMAR 1.1
Central City 6.7 W 0.7
CLARKSVILLE 1.5
DUBUQUE 1.0
Edgewood 1.5
LANSING 1.0
NEW HAMPTON 1.0
NEW HAMPTON 0.5
New Hampton 0.3 NNW 1.5
New Hampton 0.4 SW 1.5
Oelwein 0.8 WNW 1.5
OSAGE 7.2
OSAGE 4.3
SAINT ANSGAR 6.8
Solon 0.3 ESE 0.8
Toledo 1.0
Wellman 1.0
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Posted under Precipitation Totals, Winter Weather

This post was written by Rachael Peart
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Light Snow Tonight

February 24, 2017

A WINTER WEATHER ADVISORY is in effect through tonight with light snow and gusty winds. Roads will become slick so use caution if you are traveling tonight.


Tonight:
Light snow this evening tapers off around midnight. Snow accumulations across eastern Iowa trace to 2”. The wind is strong from the northwest with gusts to 35 mph. Lows: 16-21. Use caution if traveling tonight. Also any of the water from today freezes with the overnight lows dropping into the teens.

Saturday: Mostly sunny and colder. Highs: 25-30. The gusty northwest wind continues through the morning. During the afternoon the wind diminishes and will be light by late afternoon.

Saturday Night: Partly cloudy with lows drop into the teens again. The wind is light before midnight before increasing a bit from the southwest late.

Sunday: Partly cloudy and warmer with breezy conditions (SW 10-20 mph). High: mid-upper 30s.

Monday: Partly cloudy. High: mid 40s.

Tuesday: 30% chance of rain. High: 46.

Wednesday: Partly cloudy and breezy (NW 10-20 mph). High: 38.

Thursday: Partly cloudy and windy (W 15-25 mph). High: 40.

Friday: Mostly cloudy. High: 43.

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This post was written by Schnack
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Thundersnow

February 23, 2017

Thunder snow in central Iowa this evening is moving northeast. Heavy snow is falling in this area.

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This post was written by Schnack
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TRACKING: T-Storms, heavy snow and strong winds

February 23, 2017

Tonight: Rain changes to snow north of Waterloo to Elkader line. Some freezing rain may mix in at times before it changes over to all snow before midnight. South of this line, rain and isolated thunderstorms. Lows: 32 north and 41 south. Winds: NE 15-30 mph with gusts to 40 mph.

Friday: The rain/snow line moves southeast during the day transitioning any rain to snow through the morning. Snow could be heavy at times across northern Iowa. A strong north wind will cause blowing and drifting snow. Visibility will be making travel hazardous. Highs: 32 north and 48 south. Winds: N 15-30 mph with gusts 40 mph.

Friday Night: Snow continues through the evening and tapers after midnight. The wind remains strong from the NW at 15-30 mph and gusts to 40 mph. Blowing and drifting snow continues to cause travel hazards. Lows: 17 north and 22 south.

Saturday: The sky becomes partly cloudy. It remains windy with gusts to 35 mph from the northwest. Blowing and drifting snow continues. Travel remains hazardous across northern Iowa where heavier snow fell. High: upper 20s. Snow totals will be 7-12” in far northern Iowa. The amounts taper down to 1-2” southeast of a line roughly from Tama to Dubuque.

Sunday: 20% chance of light snow and breezy (SW 10-20 mph). High: 35.

Monday: Partly cloudy. High: 36.

Tuesday: 20% chance of rain/snow. High: 39.

Wednesday: 30% chance of rain/snow. High: 35.

Thursday: 30% chance of rain/snow. High: 37.

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This post was written by Schnack
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From “Summer” Back to Winter in 48 Hours

February 23, 2017

Not only did we break the record highs on Wednesday, we shattered them! Records were in the low to mid 60s and we ended the day in the upper 60s to mid 70s!

I hope that you enjoyed it, because Winter is tracking back in.  A strong low pressure system will track from Kansas through southeastern Iowa over the next 24 to 36 hours. This will bring a lot of wind along with a return to winter weather. Much of the viewing area will start off with rain, and even a few thunderstorms, later today into the evening hours.

The far northern counties could see snow taking over before Midnight. Heavy snow is possible there with areas to the south seeing a mix or just plain rain through the nighttime hours.

There is a VERY sharp cutoff between the snow and the rain.  Plus, the ground is pretty warm, so much of the early snow will melt. Having said that, if the snow falls very fast, it will be able to turn into a slushy mess.

As the system tracks to the northeast, more cold air will change all the precipitation to snow by tomorrow afternoon and evening.

Snow and snow showers will continue Friday night into early Saturday morning before we dry out.

Oh… and we will have a lot of wind!  Winds will gust to 30 mph today and up to 45 mph at times tonight with gusts to 30 mph tomorrow.  Any snow will be blown around quite easily and will help to reduce visibilities… no matter how wet and heavy the snow is.

Since this storm is still in Kansas, there is plenty of opportunity for it to change its track. And even a 50 mile shift in that track will change how much snow we end up with. Another problem with pinning down snowfall amounts… the ground is warm, so there will be melting at first, which decreases amounts. There is the possibility of thundersnow, which would increase snowfall amounts. Essentially, this forecast will likely change over the next several hours… and maybe through the entire event… but here is a general idea of how it looks right now.

This forecast will change as the fine details become more clear. Stay tuned to the latest forecast and download the Storm Track 7 app on your mobile device.

 

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Posted under Records, Windy, Winter Weather

This post was written by Eileen Loan
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Probability of Snow

February 22, 2017

The chance of 2″+ snow by Saturday morning.

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This post was written by Schnack
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Record highs to snow chances

February 22, 2017

Today felt more like May than February. Daily record high temperatures were broken easily. At the same time all-time February record highs were broken.

Tonight: Increasing clouds late and cooler with lows in the upper 30s.

Thursday: Cloudy and cooler yet still above average again…just not 60s and 70s. Highs range from 45 north to 54 south. Rain moves into eastern Iowa during the afternoon.

Thursday Night: Far northern Iowa expect a wintry mix (rain/snow/freezing rain) with temperatures in the low 30s. It is warmer south with rain/thunderstorms. The wind increases from the northeast at 15-30 mph.

Friday: Rain chances continue through the day. A few hours of the day might actually turn sunny before clouding over again. Far northern Iowa rain mixes with snow in the afternoon.

Saturday: Light snow continues into the morning before tapering off by noon. A strong northwest wind, with gusts to 35 mph, continues to pull in cold air. High temperatures will be in the 20s and 30s across the area, with colder wind chills.

Sunday: Light snow showers are possible throughout the day with high temperatures in the 30s, and a SW wind 10-15 mph.

 

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Posted under Forecast Discussion, Records, Temperatures, Winter Weather

This post was written by Schnack
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