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(8:00PM Thur, March 16th 2023) A brief look at weather conditions expected Friday, for St. Patrick's Day. Temperatures will be on the cool side and below average for the time of year, with high temperatures in the 30's to 40's expected from north to south across the state. Dry conditions are expected for much of the day, with a fair amount of sunshine anticipated as well. There is the potential for a few snow flurries or snow showers across portions of the state Friday night.
Notes... •Cool temperatures in the 30's and 40's are expected across the state. •Dry conditions are expected across the state, with a fair amount of sunshine anticipated. •A few snow flurries or snow showers will be possible Friday night across portions of the state. 
JP
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(11:45AM Sat, March 11th 2023) Saturday morning update on the storm system that will move through the region today through Monday, bringing the potential for accumulating snow to Northern and portions of Central Illinois.
Location... •Northern & Central Illinois. Timing... •Early Saturday afternoon - Monday afternoon, March 11-13th. Impacts... •Periods of snow will traverse Northern and portions of Central Illinois, early Saturday afternoon through Monday afternoon. Rain will also be possible at times, due to marginal temperatures. •Snowfall accumulation will range from upwards of a dusting-2" across Northern and portions of Central Illinois. Locally higher amounts are possible closer to the IL/WI and IL/IA border areas. •With marginal temperatures, the most efficient snowfall accumulation will be on colder surfaces. 
JP
(11:45PM Fri, March 10th 2023) Friday night update on the storm system that will move through the region Saturday through Sunday, bringing the potential for accumulating snow to Northern and portions of Central Illinois.
Location... •Northern & Central Illinois. Timing... •Early Saturday afternoon - Late Sunday afternoon, March 11-12th. Impacts... •Periods of snow will traverse Northern and portions of Central Illinois, early Saturday afternoon through late Sunday afternoon. •Snowfall accumulation will range from upwards of a dusting-2" across Northern and portions of Central Illinois. Locally higher amounts are possible closer to the IL/WI and IL/IA border areas. •Additional snow showers are possible Sunday night and Monday, which may produce additional minor snowfall accumulation. 
JP
(11:00AM Fri, March 10th 2023) A storm system will move through the region Saturday through Sunday, bringing the potential for accumulating snow to Northern and portions of Central Illinois.
Location... •Northern & Central Illinois. Timing... •Early Saturday afternoon - Late Sunday afternoon, March 11-12th. Impacts... •Periods of snow will traverse Northern and portions of Central Illinois, early Saturday afternoon through late Sunday afternoon. •Snowfall accumulation will range from upwards of a dusting-2" across Northern and portions of Central Illinois. Locally higher amounts are possible closer to the IL/WI and IL/IA border areas. •Additional snow showers are possible Sunday night and Monday, which may produce additional minor snowfall accumulation. 
JP
(11:15AM Thur, March 9th 2023) Thursday morning update on a storm system that will move through the region today through Friday, bringing accumulating snow to Northern Illinois.
Location... •Northern Illinois. Timing... •This morning - Friday morning, March 9-10th. Impacts... •Snow will traverse Northern Illinois, this morning through Friday morning. •Snowfall accumulation will range from upwards of a dusting-1" to 2-5" across Northern Illinois. Locally higher amounts are possible closer to the IL/WI border. 
JP
(11:45PM Wed, March 8th 2023) Wednesday night update on a storm system that will move through the region Thursday through Friday, bringing accumulating snow to Northern Illinois.
Location... •Northern Illinois. Timing... •Thursday morning - Friday morning, March 9-10th. Impacts... •Snow is expected across Northern Illinois, Thursday morning through Friday morning. Snowfall accumulation will range from upwards of a dusting-1" to 2-5" across Northern Illinois. 
JP
(11:45AM Wed, March 8th 2023) Wednesday morning update on a storm system that will move through the region Thursday through Friday, bringing accumulating snow to Northern Illinois.
Location... •Northern Illinois. Timing... •Thursday morning - Friday morning, March 9-10th. Impacts... •Snow is expected across Northern Illinois, Thursday morning through Friday morning. Snowfall accumulation will range from upwards of a dusting-1" to 2-5" across Northern Illinois. 
JP
(11:45PM Tue, March 7th 2023) A storm system will move through the region Thursday through Friday, bringing the potential for accumulating snow to Northern Illinois.
Location... •Northern Illinois. Timing... •Thursday morning - Friday morning, March 9-10th. Impacts... •Snow is possible across Northern Illinois, Thursday morning through Friday morning. Snowfall accumulation will range from upwards of a dusting-1" to 2-5" across Northern Illinois. 
JP
(10:30AM Fri, March 3rd 2023) A winter storm will continue to move through the region through early tonight, bringing multiple modes of weather to the state. With this update we have adjusted rainfall/flood potential across Southern Illinois based on observations, and have adjusted expected snowfall based on the latest information available. Little to no changes were needed to the severe t'storm & high wind forecasts.
Timing & Location... •Severe T'Storm Risk: This morning - Early this afternoon, March 3rd: Southern Illinois. •Snowfall: Late this morning - Late this evening, March 3rd: East-Central Illinois. •High Winds: This morning - Early tonight, March 3rd: Central & Southern Illinois. •Heavy Rain/Flooding: This morning- Early tonight, March 2-3rd: Central & Southern Illinois. Impacts... •A level 1 to 3 severe t'storm risk is in place across Southern Illinois, from through early this afternoon. Isolated to scattered severe t'storms are likely, posing a risk of damaging winds, hail and an isolated tornado. •Snow will be possible across portions of East-Central Illinois, late this morning through late this evening. Snow accumulation ranging from a dusting-1" to 1-3" is possible. •Periods of high winds are expected across Central and Southern Illinois, through early tonight. Wind gusts of 35-60MPH are expected. •Widespread heavy rainfall is expected across Central and Southern Illinois, through this evening. Rainfall totals upwards of 1.00-5.00" are expected in the heavy rainfall axis. Localized to widespread flooding is expected.
JP
(11:30PM Thur, March 2nd 2023) A winter storm will move through the region tonight through Friday, bringing multiple modes of weather to the state. With this update we have increased severe t'storm probabilities across portions of Southern Illinois, increased expected rainfall totals and flooding potential across portions of Southern Illinois, and have slightly increased high wind gust potential across portions of Central and Southern Illinois. Little to no changes were needed to the snowfall forecast.
Timing & Location... •Severe T'Storm Risk: Early Friday morning - Early Friday afternoon, March 3rd: Southern Illinois. •Snowfall: Friday morning - Early Friday night, March 3rd: Northern Illinois. •High Winds: Early Friday morning - Early Friday night, March 3rd: Central & Southern Illinois. •Heavy Rain/Flooding: Tonight - Early Friday night, March 2-3rd: Central & Southern Illinois. Impacts... •A level 1 to 3 severe t'storm risk is in place across Southern Illinois, from early Friday morning through early Friday afternoon. Isolated to scattered severe t'storms are likely, posing a risk of damaging winds, hail and isolated tornadoes. •Snow will be possible across portions of Northern and Central Illinois, Friday morning through early Friday night. Snow accumulation ranging from a dusting-1" to 2-5" is possible. Locally higher snowfall totals are possible in the main axis. •Periods of high winds are expected across Central and Southern Illinois, early Friday morning through early Friday night. Wind gusts of 35-55MPH are expected. •Widespread heavy rainfall is expected across Central and Southern Illinois tonight through early Friday night. Rainfall totals upwards of 1.00-5.00" are expected in the heavy rainfall axis, with locally higher rainfall amounts possible. Localized to widespread flooding is expected.
JP
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