Marine Weather and Tide Forecast for Jacksonville, IL
May 28, 2023 9:24 PM CDT (02:24 UTC)
Sunrise 5:35AM Sunset 8:21PM Moonrise 12:41PM Moonset 1:19AM
7 Day Forecast for Marine Location Near Jacksonville, IL
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location: 39.73, -90.23
Area Discussion for - Central Illinois, IL
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS63 KILX 290042 AFDILX
Area Forecast Discussion...Updated National Weather Service Lincoln IL 742 PM CDT Sun May 28 2023
SYNOPSIS
Issued at 218 PM CDT Sun May 28 2023
The stretch of dry and seasonably warm weather will extend through Memorial Day weekend, becoming progressively hotter by midweek with daily highs in the low 90s. A pedestrian afternoon shower or storm may develop each day between Wednesday and Friday as humidity ticks up, but then a drier air mass arrives by next weekend, squelching additional rain chances.
UPDATE
Issued at 742 PM CDT Sun May 28 2023
Scattered mid and high level clouds continue to drift westward across the area this evening, with latest RAP humidity plots suggesting some thickening of the mid-level clouds taking place, and this is currently seen on satellite imagery just south and southeast of Lawrenceville. In general, partly cloudy skies will prevail. Temperatures appear on track to fall into the mid to upper 50s. Little change needed in the forecast aside from some tweaks to the cloud trends.
Geelhart
DISCUSSION
Issued at 218 PM CDT Sun May 28 2023
An upper-level blocking pattern remains in place this afternoon, characterized by a closed low positioned over the southeast U.S.
while a high rests over the Great Lakes region. This setup inhibits Gulf moisture from surging northward into the Mid- Mississippi Valley, and so afternoon RH values have been limited to 25-30%, making for a stretch of pleasant summertime weather.
Dry conditions will largely persist through this week as one blocking pattern breaks down and another develops. Heat and humidity will progressively build such that daily afternoon airmass-type thunderstorms will become possible Wednesday through Friday. However, the lack of a clear forcing mechanism should greatly limit shower and storm coverage.
The bigger story this week will be the heat as afternoon highs surge into the low-to-mid 90s from Wednesday onward. Fortunately, dewpoints hovering around 60 degF will mitigate triple-digit heat index values.
Most global guidance shows semblance of a washed-out cold front sagging into the region by next weekend. At this time it's still not clear weather this front will bring forth cooler temperatures or simply drier air. Either way, very few rain chances exist for any one point through this week into next weekend.
MJA
AVIATION
(For the 00z TAFs through 00z Monday Evening)
Issued at 607 PM CDT Sun May 28 2023
VFR conditions will continue to prevail into Monday, with any ceilings well above 10,000 feet. While winds prevail out of the northeast, speeds should only be in the 5 to 8 knot range for the most part.
Geelhart
ILX WATCHES/WARNINGS/ADVISORIES
None.
Weather Reporting Stations
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Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Vis | Sky | Weather | Temp | DewPt | RH | inHg |
| KIJX JACKSONVILLE MUNI,IL | 3 sm | 29 min | SSW 03 | Clear | 72°F | 46°F | 41% | 30.02 |
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Wind History from IJX (wind in knots)
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