 Rainfall totals from Friday AM-Saturday AM. (Click)
(11:55AM - 9/28/19) The wet pattern that has been in place will continue, with another storm system expected to bring heavy rainfall and flooding concerns to portions of the state, through Sunday morning.
A storm system pushing through the region will bring multiple rounds of rain and t'storms to portions of the state, through Sunday morning. An initial round of rain and t'storms pushed across much of Northern and portions of Central Illinois Friday morning through Friday afternoon. Widespread rainfall totals of 0.50-2.00" occurred with this activity across the aforementioned areas, with an isolated corridor of 3-7" totals having occurred along a Peoria to Pontiac axis. A second round of rain and t'storms moved across much of Northern and Central Illinois Friday evening into early this morning. Widespread rainfall totals of 0.50-2.00" occurred with this round of activity, with an isolated corridor of 3-6" totals having occurred for some areas. Combined rainfall totals from the first two rounds of activity Friday morning through Saturday morning were widespread 1-4" across much of Northern and Central Illinois, with an axis of 4-10" totals from the Western Illinois/Iowa border area eastward to the Illinois/Northwest Indiana border area. A third and final round of rain and t'storms will be possible Saturday night through Sunday afternoon, once again across much Northern and portions of Central Illinois. Rainfall totals with this round should range from 0.25-2.00", with isolated higher amounts possible.
The repeated rounds of rain and t'storms over the same areas, along with expected training, will allow for widespread rainfall totals of upwards of 1-3" across much of Northern and portions of Central Illinois during the aforementioned time-frame. Within this main axis, a corridor of 5-11" rainfall totals are expected, with isolated higher amounts possible. Given the wet pattern that has been in place the past several weeks, along with the expected heavy rainfall, low to moderate flood potential will exist across portions of Northern and Central Illinois...with an axis of major flood potential
Below is the TAM flood forecast through Sunday afternoon. 
JP
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(11:30PM - 9/27/19) A brief short term update regarding the ongoing heavy rain and flood threat across portions of Northern and Central Illinois... Major flooding is ongoing across portions of the aforementioned areas at this time. Since this morning, upwards of 4-9" of rain has fallen in an axis from Western Illinois/Iowa border area on east to the Illinois/Northwest Indiana border area. Widespread and significant areal, road and home flooding has been occurring across these areas...with travel disruption, road closures and water rescues having occurred. Travel is discouraged across these areas and precautions should be taken for ongoing and/or impending flooding issues.
Additional rain and t'storms will be possible across this axis for the next several hours, which could potential drop another 0.50-2.50" of rain on top of what has already fallen. This will bring rainfall totals across this axis to 5-11" by tomorrow morning. 
The wet pattern that has been in place will continue, with another storm system expected to bring heavy rainfall and flooding concerns to portions of the state, through Sunday morning.
A storm system pushing through the region will bring multiple rounds of rain and t'storms to portions of the state, through Sunday morning. An initial round of rain and t'storms pushed across much of Northern and portions of Central Illinois this morning through this afternoon. Widespread rainfall totals of 0.50-2.00" occurred with this activity across the aforementioned areas, with an isolated corridor of 3-7" having occurred along a Peoria to Pontiac axis. A second round of rain and t'storms has been pushing across much of Northern and Central Illinois this evening and into tonight, continuing overnight and into Saturday morning for some areas. Widespread rainfall totals of 0.50-5.00" have occurred with this round of activity. Additional widespread rainfall totals of 0.50"-3.00" are likely with this activity. A third and final round of rain and t'storms will be possible Saturday night through Sunday afternoon, once again across much Northern and portions of Central Illinois. Rainfall totals with this round should range from 0.25-2.00". The repeated rounds of rain and t'storms over the same areas, along with expected training, will allow for widespread rainfall totals of upwards of 1-3" across much of Northern and portions of Central Illinois during the aforementioned time-frame. Within this main axis, a corridor of 5-10" rainfall totals are expected, with isolated higher amounts possible. Given the wet pattern that has been in place the past several weeks, along with the expected heavy rainfall, low to moderate flood potential will exist across portions of Northern and Central Illinois. Below is the TAM flood forecast through Sunday morning. 
JP
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(3:15PM - 9/27/19) A storm system moving through the region will bring a severe t'storm threat to portions of the state, through tonight.
9/27/19 - This Afternoon-Tonight’s Forecast... A storm system will be pushing across the region on today. An initial round of rain and t'storms has been moving across much of Northern and portions of Central Illinois this morning into this afternoon. Isolated t'storms have been severe, with damaging winds and large hail having been the main occurrences. In the wake of this activity, additional scattered showers and t'storms are expected to develop along the cold front across Southern Wisconsin, Northern Illinois, Iowa and Missouri during this afternoon and evening. This activity will then spread across much of Northern and Central Illinois late this afternoon through Saturday morning. An environment in place featuring moderate instability, moderate moisture and moderate shear will be in place. This will help support up to a widely scattered severe t'storm threat across portions of Northern and Central Illinois. Damaging winds and large hail will be the main threats, though an isolated tornado cannot be ruled out. Below is the TAM severe t'storm forecast for this afternoon-tonight. 
JP
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(7:00PM - 9/27/19) The wet pattern that has been in place will continue, with another storm system expected to bring heavy rainfall and flooding concerns to portions of the state, through Sunday morning.
A storm system pushing through the region will bring multiple rounds of rain and t'storms to portions of the state, through Sunday morning. An initial round of rain and t'storms pushed across much of Northern and portions of Central Illinois this morning through this afternoon. Widespread rainfall totals of 0.50-2.00" occurred with this activity across the aforementioned areas, with an isolated corridor of 3-6" having occurred along a Peoria to Pontiac axis. A second round of rain and t'storms will push across much of Northern and Central Illinois, from evening through Saturday morning. Additional widespread rainfall totals of 1-4" are likely with this activity, with localized higher amounts possible where training of activity is maximized. A third and final round of rain and t'storms will be possible Saturday night through Sunday afternoon, once again across much Northern and portions of Central Illinois. The repeated rounds of rain and t'storms over the same areas, along with expected training, will allow for widespread rainfall totals of upwards of 2-5" across much of Northern and portions of Central Illinois during the aforementioned time-frame. Isolated corridors of rainfall totals of 5-8" are possible, but will be hard to pin down due to mesoscale factors. Given the wet pattern that has been in place the past several weeks, along with the expected heavy rainfall, low to moderate flood potential will exist across portions of Northern and Central Illinois. Below is the TAM flood forecast for this morning through Sunday morning. 
JP
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(6:30AM - 9/27/19) A storm system moving through the region will bring a severe t'storm threat to portions of the state, this afternoon into tonight.
9/27/19 - This Morning-Tonight’s Forecast... A storm system will be pushing across the region on today. An initial round of rain and t'storms is currently developing this morning across portions of Iowa and Missouri. This activity will then push across much of Northern and portions of Central Illinois this morning and into this afternoon. In the wake of this activity, some clearing and destabilization will occur. Additional scattered showers and t'storms will then develop along the cold front across Southern Wisconsin, Northern Illinois, Iowa and Missouri during the afternoon. This activity will then spread across much of Northern and Central Illinois later this afternoon through Saturday morning. An environment in place featuring moderate instability, moderate moisture and moderate shear will be in place. This will help support up to a widely scattered severe t'storm threat across portions of Northern and Central Illinois. Damaging winds and large hail will be the main threats, though an isolated tornado cannot be ruled out. Below is the TAM severe t'storm forecast for this morning-tonight. 
JP
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(7:15AM - 9/27/19) The wet pattern that has been in place will continue, with another storm system expected to bring heavy rainfall and flooding concerns to portions of the state, this morning through Saturday morning.
A storm system pushing through the the region will bring multiple rounds of rain and t'storms to portions of the state this morning through Saturday morning. An initial round of rain and t'storms will be likely across much of Northern and portions of Central Illinois this morning through this afternoon. A second round of rain and t'storms will be likely across the same areas this afternoon into Saturday morning. The repeated rounds of rain and t'storms over the same areas, along wind expected training, will allow for widespread rainfall totals of upwards of 1-3" across much of Northern and portions of Central Illinois during the aforementioned time-frame. Isolated corridors of rainfall totals in excess of 3" are possible, but will be hard to pin down due to mesoscale factors. Given the wet pattern that has been in place the past several weeks, along with the expected heavy rainfall, low to moderate flood potential will exist across portions of Northern and Central Illinois. Below is the TAM flood forecast for this morning through Saturday morning. 
JP
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(9:30PM - 9/26/19) A storm system moving through the region will bring a severe t'storm threat to portions of the state, Friday afternoon into Friday night.
9/27/19 - Friday Morning-Night Forecast... A storm system will be pushing across the region on Friday. An initial round of rain and t'storms is expected to develop across Iowa and Missouri Friday morning. This activity will then push across much of Northern and portions of Central Illinois Friday morning and afternoon. In the wake of this activity, some clearing and destabilization will occur. Additional scattered showers and t'storms will then develop along the cold front across Southern Wisconsin, Northern Illinois, Iowa and Missouri during the afternoon. This activity will the spread across much of Northern and Central Illinois Friday afternoon through Saturday morning. An environment in place featuring moderate instability, moderate moisture and moderate shear will be in place. This will help support up to a widely scattered severe t'storm threat across portions of Northern and Central Illinois. Damaging winds and large hail will be the main threats, though an isolated tornado cannot be ruled out. Below is the TAM severe t'storm forecast for Friday morning-night. 
JP
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(9:00PM - 9/26/19) The wet pattern that has been in place will continue, with another storm system expected to bring heavy rainfall and flooding concerns to portions of the state Friday morning through Saturday morning.
A storm system pushing through the the region will bring multiple rounds of rain and t'storms to portions of the state Friday morning through Saturday morning. An initial round of rain and t'storms will be likely across much of Northern and portions of Central Illinois Friday morning through Friday afternoon. A second round of rain and t'storms will be likely across the same areas Friday afternoon into Saturday morning. The repeated rounds of rain and t'storms over the same areas, along wind expected training, will allow for widespread rainfall totals of upwards of 1-3" across much of Northern and portions of Central Illinois during the aforementioned time-frame. Isolated corridors of rainfall totals in excess of 3" are possible, but will be hard to pin down due to mesoscale factors. Given the wet pattern that has been in place the past several weeks, along with the expected heavy rainfall, low to moderate flood potential will exist across portions of Northern and Central Illinois. Below is the TAM flood forecast for Friday morning through Saturday morning. 
JP
Please consider becoming a Patreon as a way to say thanks and support us for what we do! www.patreon.com/user?u=16598980 To receive text alerts via our in-telligent groups text ISC to 833-369-3800
It is now officially fall, but summer won't be letting go of its grip on our region anytime soon. Is it fair to say mother nature missed the memo, or does she write her own? Either way, hoodie fanatics may have to wait just a little while longer before busting out their favorite wardrobe.
The warmth will come courtesy of a strengthening upper ridge that will park itself across the southeastern US. This keeps the midwest in a favorable regime of breezy southerly flow, pumping up warmth and moisture. Temperature anomalies are forecast to be quite impressive, perhaps approaching record territory for some areas.
Its too early to say if Illinois will experience record highs, and only foolish weatherman predict records at this length out, but this is certainly the pattern that can deliver. Indeed, some model estimated highs do approach those territories, especially as September closes and October begins.
The CPC is well aware of the trend and has the eastern half of the country outlooked for well above normal temperatures.
Additionally, a deep, slow moving trough will develop out west. This could also promote an active period of storms, perhaps even severe, across the central plains. Some of this may spill into the midwest as well, but it is too early to iron out those details yet, but I would not be surprised to see the month end on a stormy note. Indeed, we are outlooked for above average precipitation as well. Not good news for areas that have already exceeded their annual rainfall.
This could be Summer's final stand, as models indicate this all ends with a sweeping cold front sometime in the Oct 4-7th, but now we're just talking fantasy range. Bottom line, summer wont be going away in the near future! These late September "heat waves" have become more common in recent years, an interesting trend I've noticed.
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(11:00PM - 9/21/19) The combination of a storm system moving through the region and the remnants of Tropical Storm Imelda, will bring several rounds of rain and t'storms to the state through Sunday night.
Several waves of organized rain and t’storms have already occurred across portions of the state today and tonight, will continue to be likely across portions of the state through Sunday night. The most concentrated area for this activity will be across portions of Northern and Central Illinois. Upwards of 1-2” of rain has already fallen across portions of Northern and Central Illinois today into tonight. Final widespread rainfall totals this weekend will be in the 1-3” range across much of Northern and Central Illinois, with isolated corridors of 3-6” totals not out of the question for portions of Western into Northern Illinois. These high rainfall totals over a relatively short period of time will lead to flooding concerns for much of Northern and Central Illinois, including portions of Northern Illinois that have already been impacted with heavy rainfall totals and flooding the past few weeks. We have included a large portion of Northern and Central Illinois in a moderate threat for flooding potential. Below is the TAM flood forecast through Sunday night. 
JP
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