Marine Weather and Tides
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 5:35AM||Sunset 8:32PM||Friday July 10, 2020 2:46 AM CDT (07:46 UTC)||Moonrise 12:00AM||Moonset 11:00AM||Illumination 76%|
7 Day Forecast for Marine Location Near East Peoria, ILHourly EDIT Help
Area Discussion for - Central Illinois, IL  (on/off)  Help NOTE: mouseover dotted underlined text for definition
FXUS63 KILX 100452 AFDILX
Area Forecast Discussion National Weather Service Lincoln IL 1152 PM CDT Thu Jul 9 2020
SYNOPSIS. Issued at 1019 PM CDT Thu Jul 9 2020
Showers and storms continue to push across central Illinois tonight, with storms beginning to slowly diminish. Locations west of the Illinois River Valley will see drying conditions overnight, with locations across eastern Illinois still awaiting the arrival of rainfall. A slightly cooler end to the week, and start to the weekend will arrive across the Midwest behind this system.
UPDATE. Issued at 1019 PM CDT Thu Jul 9 2020
Made some short term edits, especially to the PoPs to account for the current location of showers and storms. Expecting the activity to continue pushing eastward through the overnight. With outflow advancing well ahead of the system, on radar, activity should be decreasing. With storms out of the Watch area, went ahead and canceled the Watch box early. Slightly cooler temps are still expected to arrive Friday and linger into the weekend. As well as a change and increase in winds, from the northwest heading through the overnight into Friday. Had to edit temps slightly for tonight, due to the arrival of cooler conditions already behind fropa.
SHORT TERM. (This evening through Friday) ISSUED AT 240 PM CDT Thu Jul 9 2020
Much of the southwest half of the CWA has been weakly capped this afternoon. The exception is a narrow corridor currently near the I-57 corridor. Isolated instability showers and storms will persist over eastern IL the next few hours. Additional isolated storms possible near/north of I-74 where little capping is evident based on visible satellite imagery.
The main weather concern is severe convective potential this evening, as a shortwave and associated weak low and front currently over east central IA, track east across IL. The atmosphere ahead of this system will feature ample instability with MLCAPE up to 2500 J/kg. Deep layer shear while initially weak, will increase to 25-30 kt with the approach of the upper wave. This should be sufficient for organized storms/clusters to track east/southeast out of Iowa and across primarily the northern half of the CWA this evening. Isolated damaging wind gusts appear to be the primary threat with hail secondary, mainly early in the strongest updrafts due to high wet bulb zero heights. Tornado threat still looks low and based on storm scale/mesoscale effects to locally increased low level shear. As instability decreases and storms outrun the better shear, a weakening trend should be noted towards midnight as storms track into eastern IL.
Behind the front for late tonight and Friday, a period of brisk (for mid- summer) west/northwest winds will overspread the area as the gradient briefly tightens ahead of 1015 mb high pressure building towards MO. Some 25 mph gusts are possible by late Friday morning and into the afternoon. This "cold air" advection should limit highs to the upper 80s, though with dewpoints remaining in the lower 70s conditions will still be humid.
LONG TERM. (Friday night through Thursday) ISSUED AT 240 PM CDT Thu Jul 9 2020
The next chance for storms is tied to a shortwave dropping southeast across the area Saturday night. While some convection could develop Saturday afternoon, highest (chance) pops are carried for Saturday night. Lingering storms to exit the area Sunday morning, but the bulk of the day to be dry. Again a decent surface pressure gradient behind this system for a period of gustier northwest winds Sunday. 850 mb temps drop into the lower teens C, should result in seasonable temperatures for Sunday and Monday.
The main concern for much of the week is a large heat dome currently building over the southwest and south central U.S. Early next week a longwave trof developing out west will force this strong upper ridge east/northeast towards the mid-Mississippi River Valley. There is still some uncertainty in how far north this ridge can build, as guidance shows a series of shortwaves tracking across the upper Midwest and Great Lakes, in a classic ring of fire pattern. Current guidance suggests this activity will stay north of the area, resulting in mainly dry but hot and humid conditions. Widespread low to mid 90s highs expected for Tue-Thu, with heat indices near heat index criteria (105 F) for Wed/Thu. Slight to low chance pops primarily over the northern CWA through the extended, closer to the stronger westerlies over the upper Midwest.
AVIATION. (For the 06Z TAFS through 06Z Friday night) Issued at 1152 PM CDT Thu Jul 9 2020
Precip is quickly moving east of the TAFs and will be moving through CMI at start of TAF but quickly be moving out within the hour. So VCTS with TEMPO group for 1 hr with MVFR vis. PIA and BMI will see MVFR cigs around 2.5kft move through for about 5-6hrs overnight as lower clouds move around the back side of the system. SPI/DEC/CMI may see this as well, but think it will be intermittent so adding TEMPO groups for few hours for each of these TAF sites. By morning, cirrus should be at all sites with some CU developing by afternoon, then clearing tomorrow evening. Winds will be westerly, except CMI, at around 10-13kts overnight. Then breezy conditions are expected as gradient tightens in northwest flow tomorrow. Northwest winds should gust to 20-23kts possible by afternoon at all sites. Then winds will get lighter tomorrow evening with direction out of the west.
ILX WATCHES/WARNINGS/ADVISORIES. NONE.
UPDATE . Baker SYNOPSIS . Baker SHORT TERM . 25 LONG TERM . 25 AVIATION . Auten
Weather Reporting StationsEDIT (on/off)  Help NOTE: Click on distance to see the station location on a map
Airport ReportsEDIT (on/off)  Help Click EDIT to display multiple airports. Follow links for more data.
|Peoria - General Downing-Peoria International Airport, IL||7 mi||53 min||WNW 10 G 19||10.00 mi||Overcast||71°F||66°F||87%||1009.1 hPa|
|Marshall County Airport, IL||24 mi||52 min||WNW 5||10.00 mi||Overcast||71°F||69°F||95%||1009.1 hPa|
Link to 5 minute data for KPIA
Wind History from PIA (wind in knots)
|1 day ago||E||Calm||SE||S||E||SE||S||S||SW||S||NE||E||Calm||S||S||S||SE||S||Calm||Calm||S||Calm|
|2 days ago||Calm||Calm||Calm||Calm||Calm||Calm||Calm||SW||SW||W||SW||SW||W||NW||E||Calm||NE||E||E||E |
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GEOS Local Image of EDIT
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.
Link to Loop
Other links: Northern Pacific Contential US Full GOES-East
Wind Forecast for Central Illinois, IL (3,6,7,8)(on/off)  Help
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