Urbana, IL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Urbana, IL

April 21, 2024 6:06 AM CDT (11:06 UTC) Change Location
Sunrise 6:03 AM   Sunset 7:39 PM
Moonrise 5:39 PM   Moonset 5:06 AM 
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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.

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7 Day Forecast for Marine Location Near Urbana, IL
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Area Discussion for - Central Illinois, IL
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FXUS63 KILX 211059 AFDILX

Area Forecast Discussion...Updated Aviation National Weather Service Lincoln IL 559 AM CDT Sun Apr 21 2024

KEY MESSAGES

- Overnight lows tonight will dip down into the middle 30s. A Frost Advisory is in effect for all of central and southeast IL Monday morning.

- Shower and isolated storm chances return Monday night into Tuesday.

- A warmer and more active weather pattern arrives late in the week into next weekend. Several chances for showers and storms exist Thursday night through the weekend, including the potential for severe weather.

DISCUSSION
Issued at 406 AM CDT Sun Apr 21 2024

Surface high pressure is centered over the central Plains with ridging extending eastward through the Midwest states. Water vapor imagery denotes an upper shortwave trough axis stretched from the eastern Great Lakes region southwestward through Illinois, Missouri, and points west. Scattered to broken mid-level clouds associated with this feature are noted across parts of the state. Cloud cover will continue to shift southeast with the upper trough through this morning, parting way to mostly clear skies. Temperatures as of 3 am range from freezing underneath clear skies to the low 40s in our southeast where cloud cover is most evident. Aside from the cloud cover, gentle westerly winds and near freezing temperatures could still lead to frost formation over the next few hours mainly north of I-70.

Surface ridging sinks further into the southern Plains today, but will still largely influence a majority of the central US. Highs today will be unseasonably cool, but closer to 60 for most. Another cool night is in store tonight with gentle winds and clear skies resulting in a good radiational cooling setup. Lows should fall into the low to middle 30s, posing a threat for frost formation once again. A Frost Advisory has been issued for the entire area from late tonight into Monday morning.

Southerly return flow ramps up Monday as the surface high migrates into the southeast US and a surface low works across southern Canada. Temperatures will return to near normal values both Monday and Tuesday, but will be accompanied by breezy southwest winds. A cold front associated with the aforementioned low will approach from the northwest, spreading showers into the area late Monday night into Tuesday. A few storms will be seen with FROPA on Tuesday, though an overall lack of moisture will prevent widespread coverage.

A brief midweek cool down commences as northwest flow sets up behind the cold front. Upper ridging will get pushed into the Midwest states Thursday as a series of upper troughs move onshore the western US. Temperatures will rebound back above normal by the end of the week, but will be accompanied by a more active weather pattern through the weekend. The previously mentioned upper troughs will eject northward late in the week and weekend, bringing a series of showers and storms. The first wave will arrive late Thursday night into Friday as a warm front lifts north through the area.
Better moisture looks to stay south of Illinois on Friday, but supportive wind shear and steep lapse rates may allow a few stronger storms to develop. SPC continues to highlight a 15% risk for severe weather on Friday.

Another chance for showers and storms looks likely later this weekend or early next week as another trough ejects northward into the Plains states and spins up a surface low in the lee of the Rockies. The overall progression of this system has slowed the last several model cycles, showing the cold front pushing through late Monday night or Tuesday. Better moisture and stronger shear from what appears to be a coupled upper jet could lead to another period to watch for severe storms.

NMA

AVIATION
(For the 12z TAFs through 12z Monday Morning)
Issued at 559 AM CDT Sun Apr 21 2024

VFR flight rules will prevail through the TAF period. West winds will turn to the northwest later this morning with speeds increasing to 10-15 mph. Mid-level clouds will exit the area this morning, with SKC behind.

NMA

ILX WATCHES/WARNINGS/ADVISORIES
Freeze Warning until 8 AM CDT this morning for ILZ027>031- 036>038-040-041.

Frost Advisory from 2 AM to 8 AM CDT Monday for ILZ027>031- 036>038-040>057-061>063-066>068-071>073.

Frost Advisory until 8 AM CDT this morning for ILZ042>057-061.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KCMI UNIVERSITY OF ILLINOISWILLARD,IL 6 sm13 minW 0610 smClear30°F25°F80%30.21
KTIP RANTOUL NATL AVN CNTRFRANK ELLIOTT FLD,IL 13 sm11 minNW 0510 smClear32°F28°F86%30.20
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Wind History from CMI
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Central Illinois, IL,



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