Thursday, February20, 2020
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Marine Weather and Tides
West Peoria, IL

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:44AMSunset 5:39PM Thursday February 20, 2020 1:22 AM CST (07:22 UTC) Moonrise 6:15AMMoonset 3:48PM Illumination 12% Phase: Waning Crescent; Moon at 26 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near West Peoria, IL
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location: 40.7, -89.61     debug


Area Discussion for - Central Illinois, IL
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FXUS63 KILX 200511 AFDILX

Area Forecast Discussion National Weather Service Lincoln IL 1111 PM CST Wed Feb 19 2020

SYNOPSIS. Issued at 745 PM CST Wed Feb 19 2020

While clouds will be widespread across central and southeast Illinois overnight, expect a clearing trend on Thursday as strong high pressure moves south into the mid Mississippi Valley. A warming trend is expected to set up on Friday, as the high moves toward the Gulf Coast and winds over our area become southwesterly. Dry conditions will prevail until Sunday and Monday, when a storm system brings a chance of mostly rain to the region.

UPDATE. Issued at 748 PM CST Wed Feb 19 2020

Scattered thin spots have been occurring in the cloud cover this evening, mainly south of I-70, though satellite is showing a more NW-SE area of mostly clear skies just west of the Mississippi River. Nearest flurry activity is currently in southwest Iowa, and forecast soundings suggest that chances this far to the east are not very high, as most of the cloud cover north of I-80 is on the higher side. Thus, mention of flurries has been removed from the northern CWA. Temperatures remain on track to fall to near 10 degrees near Galesburg, as some clearing will be taking place there toward sunrise. Elsewhere, lows will be in the teens north of a Taylorville to Paris line, and 20s south of it.

Updated grids/zones have been sent.

SHORT TERM. (This evening through Thursday) ISSUED AT 330 PM CST Wed Feb 19 2020

Mid and high clouds were quickly spreading eastward into central IL at mid afternoon, and were more widespread over the sw CWA. Strong 1043 mb Canadian high pressure was over the eastern Dakotas and ridging across the Midwest. Temperatures at 3 pm range from lower 30s over northern CWA, and 40-45 southeast of I-70. North to NNE winds of 6-12 mph was making it feel a bit cooler with wind chills in the mid to upper 20s over central IL north of I-70.

A mid/upper level short wave trof over the upper Midwest will pivot se into southern IA and northern IL overnight. Mid level frontogenetic forcing ahead of this trof will bring a chance of flurries into northern CWA during this evening, and linger overnight before diminishing as it pushes further south into central IL. Chance of measurable light snow should stay nw of Knox and Stark counties this evening. Lows tonight will range from around 10F nw of the IL river, to the mid 20s se of I-70. Wind chills will lower to zero to 5 below zero nw of the IL river later tonight while most of central IL has single digits above zero wind chills overnight into Thu morning.

Clouds will decrease from nw to se during Thu morning with a fair amount of sunshine across the area Thu afternoon. This will be the coldest day of the next week, with highs in the mid to upper 20s in central IL and 30-35F in southeast IL. North winds 8-15 mph and gusts to 20 mph will make it feel colder again.

LONG TERM. (Thursday night through Wednesday) ISSUED AT 330 PM CST Wed Feb 19 2020

Large Canadian high pressure slowly tracks se next few days, reaching OK/MO and ridging ne into central IL by dawn Friday. This will keep dry/fair weather around thru Saturday with ample sunshine Friday and Saturday. Lows Thu night of 10-15 in central IL and mid teens in southeast IL. Highs in the mid to upper 30s on Friday with west central IL near 40F as strong surface ridge shifts se of IL and start to get a return sw flow. Lows in the low to mid 20s on Fri night. Breezy sw winds on Saturday brings milder highs in the upper 40s to near 50F.

The 12Z forecast model suite dig a southern stream storm system into the southern Rockies during Sat night and eject into se KS or ne OK by midnight Sunday night. Models have trended slower with spreading qpf ne into central IL, mainly during Sunday afternoon into Sunday night. Could be a mix of light snow with the rain early Sunday morning, and nw CWA could see mixed pcpn later Sunday night into Mon morning. Brunt of precipitation should be rain and could see moderate amounts with half to 1 inch amounts of rain expected. The low pressure system will move exit east of IL Mon evening and will likely continue chances of precipitation into Monday, then diminish Monday evening. Highs Sunday in the upper 40s. Highs Monday in the low to mid 40s central IL and upper 40s in southeast IL.

Looks like a brief lull in precipitation chances overnight Mon night and Tue morning, then a strong upper level trof digging into the Midwest on Tuesday night to likely bring back chances of precipitation late Tue into Wed, with mixed precipitation possible especially north of I-70.

AVIATION. (For the 06Z TAFS through 06Z Thursday night) Issued at 1111 PM CST Wed Feb 19 2020

Narrow tongue of MVFR ceilings spread east into KPIA this evening, but will be exiting soon. Overall, mid level clouds around 8-10kft will dominate the TAF sites through early Thursday morning, before skies clear from north to south. North winds will increase to 10-15 knots as skies clear, before diminishing Thursday evening to around 5 knots.

ILX WATCHES/WARNINGS/ADVISORIES. NONE.

UPDATE . Geelhart SYNOPSIS . Geelhart SHORT TERM . 07 LONG TERM . 07 AVIATION . Geelhart


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Peoria - General Downing-Peoria International Airport, IL5 mi28 minVar 510.00 miMostly Cloudy21°F12°F68%1038.2 hPa

Link to 5 minute data for KPIA

Wind History from PIA (wind in knots)
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Last 24hrN63N53N4N3N7E8NE5--N7N9N5N6N5N6N3N3N5N6N5N5N75
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2 days agoE5E5SE5E6SE5SE7SE7SE6SE6SE6SE8
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Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Central Illinois, IL (2,6,7,8)
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Ground Weather Radar Station Central Illinois, IL
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.