Storms From A Distance

The sky is clear across Iowa this evening. When I check our Storm Track 7 Live Weather Network camera in Dubuque you could see the clouds from the storms just north of the Quad Cities.

Weather Bug DBQ Temp

Here is a look from the visible satellite image showing where the clouds were at the same time as the image above.



Posted under Uncategorized

This post was written by Schnack on July 13, 2015

Flash Flooding Potential

It’s been a rainy stretch of weather across eastern Iowa in the past week.  With more heavy rain on the way, there is a threat for flash flooding across much of the area.  The map below shows how much rain the ground can handle within a 3 hour period before flash flooding occurs.  Much of the area can only handle an inch and a half to 2 inches.


Here is how much rain the WPC is forecasting for the area.  This is through tonight, and the bullseye of just over 3 1/2 inches across eastern Iowa.  Keep in mind, thunderstorms with heavier rain could drop heavier amounts within a short period of time.


With the heavy rain potential, a Flash Flood Watch goes into effect at 4 PM Wednesday, and lasts through Thursday morning for much of the KWWL viewing area.

Flash Flood Watch

Here’s a check of Storm Track 7 Live Doppler Radar (~2PM).  It’s showing some strong thunderstorms with heavy rain tracking east through the area.

KWWL 2015 MAX Storm ED

Right now, these storms are below severe limits.  Later this afternoon and evening that we need to keep an eye out for severe weather as a warm front tracks through the area.   We’ll keep an eye on it and break in on KWWL if need be.


Posted under Uncategorized

This post was written by Schnack on June 24, 2015

Warmer and Possible Storms this Weekend.

Forecast Bar

Tonight: Cloudy light rain tapering off. Low: 48-54. Wind: S 5-10 mph.

Friday: Partly to mostly cloudy and warmer. A stray afternoon storm possible south of Cedar Rapids. High: 73-78. Wind: SW 5-10 mph.

Friday Night: Mostly cloudy with a 20% chance of showers. Low: 59-63. Wind: S 5-10 mph.

Saturday: 50% chance of showers/storms and breezy (S 10-20 mph). High: near 80.

Sunday: 60% chance of showers/storms and windy (S 15-30 mph). High: near 80.

Monday: Mostly sunny. High: low 60s.

Tuesday: Mostly sunny. High: near 60.

Wednesday: 20% chance of showers. High: low 60s.

Thursday: Mostly cloudy. High: low 60s.

Weather Extra Bar

Light rain will taper off this evening. Not much rain accumulation today. Most locations just about everyone less than 0.25″ of rain. Here is the visible satellite from this afternoon.


Here is the reason why we didn’t have much rain and it took a while for everyone to see some rain. The morning sounding, showed the atmosphere was pretty dry. We had to overcome that before it started to rain. 

A sounding tells us many things about the atmosphere. This portion of it shows the temperature (red line) and dewpoint (green line). When they are close the atmosphere is saturated and when they are apart it is dry.


A nice spring day ahead tomorrow. Warmer temperatures and some sunshine will end our week. There is a very small chance of stray storm south of Cedar Rapids in the afternoon. Isolated showers are possible across all of eastern Iowa Friday night.

We are tracking another low pressure system forecast to move through the middle of the country this weekend. Some severe weather is possible with this storm.

Here is the position of the low and front Saturday and Sunday morning.


Ahead of the cold front there is a risk of severe weather. Timing and where the storms will fire up will be dealt with 12 to 24 hours before.


The outlook areas will adjust as needed once the storm pulls out into the middle of the country. The storms will be scattered and there might be some locations that remain dry this entire weekend. 


Posted under Uncategorized

This post was written by Schnack on May 14, 2015

24 Hour Rain Totals


7 AM Wednesday to 7 AM Thursday

*It is still raining in many location after 7 AM Thursday. Twenty-four hour rain totals will be posted again tomorrow.*

Location County 24-Hr
Waterloo Black Hawk 0.17
Dubuque Dubuque 0.00
Cedar Rapids Linn 0.00
Iowa City Johnson 0.00
IOWA FALLS, IA Hardin 0.70
BELLE PLAINE, IA Benton 0.05
VINTON, IA Benton 0.03
Waterloo 1.8 SSE Black Hawk 0.38
Waterloo 3.0 NNW Black Hawk 0.18
TRIPOLI, IA Bremer 0.20
STANLEY 4 W, IA Buchanan 0.02
Quasqueton 1.8 S Buchanan 0.04
Walker 3.5 NE Buchanan T
KESLEY 3 NNE, IA Butler 0.34
IONIA 2W, IA Chickasaw 0.40
NEW HAMPTON, IA Chickasaw 0.12
New Hampton 0.4 SW Chickasaw 0.24
VOLGA 1NE, IA Clayton 0.01
FAYETTE, IA Fayette 0.08
Waucoma 3.2 S Fayette 0.21
COLWELL, IA Floyd 0.24
HAMPTON, IA Franklin 0.13
Latimer 1.9 NE Franklin 0.44
CONRAD, IA Grundy 0.22
CRESCO 1NE, IA Howard 0.16
ELMA, IA Howard 0.15
Marengo 2.6 SSW Iowa T
Robins 0.4 SSE Linn 0.01
Central City 6.7 W Linn T
MARSHALLTOWN, IA Marshall 0.04
Marshalltown 1.7 NW Marshall 0.04
Marshalltown 1.4 ENE Marshall 0.04
OSAGE , IA Mitchell 0.28
ST ANSGAR, IA Mitchell T
GRINNELL 3 SW, IA Poweshiek 0.22
GILMAN, IA Poweshiek 0.05
CLUTIER, IA Tama 0.13
TOLEDO 3 N, IA Tama 0.07
Ottumwa 4.3 S Wapello 0.05
CALMAR, IA Winneshiek 0.18
Decorah 7.9 ENE Winneshiek 0.26
Decorah 0.8 SW Winneshiek 0.24
Fort Atkinson 0.2 SE Winneshiek 0.22

Posted under Uncategorized

This post was written by Denice Pelster on October 23, 2014

A Frosty Night

A Frost Advisory is in effect tonight for areas NW of a line from Waterloo to Decorah. Temperatures in this region will be around 33 or 34 degrees. Where there is no advisory, it is still going to be cold with temperatures more in the upper 30s.

Sep 12 Frost Adv


Posted under Uncategorized

This post was written by Schnack on September 12, 2014

Tracking a Wintry Mix

Forecast Bar

UPDATED at 4:30 PM

Tonight: Partly to mostly cloudy. Low: 14-21. Wind: SE 5-10 mph.

Thursday: Partly to mostly cloudy. High: 28-33. Wind: S 10-20 mph.

Thursday Night: Mostly cloudy. Low: 20-23. Wind: S 10-15 mph.

Friday: Cloudy with a 40% chance of a wintry mix. High: mid 30s.

Saturday: Partly cloudy. High: upper 20s.

Sunday: Mostly cloudy. High: mid 30s.

Monday: Partly cloudy. High: near 40.

Tuesday: Mostly cloudy with a 20% chance of rain/snow. High: mid 30s.

Wednesday: Mostly cloudy. High: upper 20s.



Posted under Uncategorized

This post was written by Schnack on March 5, 2014

Video of Meteor Thursday Evening

A security camera in North Liberty caught the meteor race across the sky Thursday evening.The camera is on the public works facility.

Meteor over North Liberty from City of North Liberty on Vimeo.


Posted under Uncategorized

This post was written by Schnack on December 27, 2013

Weather Chat

Check out the new weather chat room link above at the top of the blog. Click on “Weather Chat”


Posted under Uncategorized

This post was written by Schnack on November 8, 2013

Rain in Dubuque but not in Town

By The Numbers…0.68…that is the amount of rain that fell at the Dubuque Airport, but not in town. July 20 DBQ Rain


Posted under Uncategorized

This post was written by Schnack on July 20, 2013

Relief from the High Humidity

UPDATED at 4:30 PM

Tonight: Mostly clear with an isolated storm in the evening. Low: 65-71. Wind: NW 5-15 mph.

Wednesday: Sunny and less humid. High: 78-82. Wind: N 10-15 mph.

Wednesday Night: Clear with patchy fog late. Low: 58-61. Wind: Light.

Thursday: Sunny. High: low 80s.

Friday: Mostly sunny. High: low 80s.

Saturday: Partly cloudy. High: low-mid 80s.

Sunday: Partly cloudy. High: mid 80s.

Monday: Partly cloudy. High: mid 80s.

Tuesday: Partly cloudy. High: mid 80s.

It has been another very humid day with dewpoints in the mid 70s. There is some relief on the way tomorrow. A cold front is pushing through northwest Iowa this afternoon. Here is the position of the cold front at 2 PM.

July 9 Cold Front
As the front crosses eastern Iowa this evening there will be a slight chance of storms. If a storm does develop, there is a chance it could be severe since the atmosphere is unstable enough for severe weather to develop. The Storm Prediction Center shows a slight risk of severe weather this evening for much of eastern Iowa.

July 9 day1otlk_2000

Again keep in mind that IF storms do develop they may become severe. We will continue to track the front as it crosses the area this evening.

July 9 Wed Eve Sfc Map

High pressure will move across the Midwest and provide us with dry weather through the rest of the week as well as relatively lower humidity levels. The dry weather is forecast to continue through early next week as a weak front will have little to no moisture to work with in generating showers/storms.


Posted under Uncategorized

This post was written by Schnack on July 9, 2013