Marine Weather and Tide Forecast for Apple River, IL
December 7, 2024 12:23 PM CST (18:23 UTC) Change Location
 | Sunrise 7:12 AM Sunset 4:27 PM Moonrise 12:08 PM Moonset 11:09 PM |
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Area Discussion for Quad Cities, IA/IL
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FXUS63 KDVN 071744 AFDDVN
Area Forecast Discussion National Weather Service Quad Cities IA IL 1144 AM CST Sat Dec 7 2024
KEY MESSAGES
- A significant warm up will occur this weekend with above normal temperatures in the 40s and 50s.
- Low chances for light rain across the far east/southeast portion of the outlook area Sunday night; most of the area will stay dry through the weekend.
- Temperatures will again drop below normal for much of next week as a shot of cold air moves into the Midwest.
SHORT TERM /THROUGH SUNDAY NIGHT/
Issued at 245 AM CST Sat Dec 7 2024
Today: A clipper will track well north of the region, across the Northern Great Lakes into Northern New England by tonight.
Eastern Iowa and northwest Illinois will be on the mild and dry side of this system, where persistent warm air advection will lead to high temperatures into the upper 40s to mid 50s (about 10F above normal). Breezy SW winds between 15 - 25+ mph are expected through the day.
Sunday: 850mb temps will hover near +10C across E Iowa/NW Illinois as another clipper drops into the Northern Plains.
Highs will again be well above normal, reaching the low to mid 50s for most spots, and maybe a few degrees cooler along the Highway 20 corridor. Winds won't be quite as strong due to a weaker surface pressure gradient, but still 10 - 20 mph from the south. The southern stream shortwave we've been tracking is forecast to slide a little further to the east. Due to this shift, the NBM only has 20-30% chances for rain in the far east/southeast portion of the outlook area. The main message for Sunday - Sunday night is to expect a continuation of the dry conditions for a majority of the forecast area.
LONG TERM /MONDAY THROUGH FRIDAY/
Issued at 245 AM CST Sat Dec 7 2024
The secondary clipper tracking across the Northern Great Lakes late in the weekend will turn to the northeast and gradually occlude near the southern Hudson Bay. This setup will usher in a much colder air mass across the Midwest with a cold front passing through the local area Monday/Monday night, and potentially a reinforcing shot on Tuesday. NBM highs for Tuesday are back down into the upper 20s to low 30s and then only in the 20s area-wide for Wednesday.
A deep upper trough will be entrenched over the Midwest from Monday night - Wednesday night. With cyclonic flow and cold temperatures aloft (850mb temps between -10 to -13 C), there could be periods of flurries or brief scattered snow showers.
Confidence is too low on timing/coverage to include a mention in the forecast for now. Heading into the latter portion of the week, zonal flow returns aloft and temperatures look to moderate, returning to near or above normal levels.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
Issued at 1141 AM CST Sat Dec 7 2024
No concerns with ceilings or visibilities through the period with VFR expected to prevail. Gusty SW winds are expected to continue into early tonight. Strong west winds aloft will lead to a period of low-level wind shear with 45-50 kt W winds at 2000 ft AGL, mainly late this afternoon through early tonight.
DVN WATCHES/WARNINGS/ADVISORIES
IA...None.
IL...None.
MO...None.
Area Forecast Discussion National Weather Service Quad Cities IA IL 1144 AM CST Sat Dec 7 2024
KEY MESSAGES
- A significant warm up will occur this weekend with above normal temperatures in the 40s and 50s.
- Low chances for light rain across the far east/southeast portion of the outlook area Sunday night; most of the area will stay dry through the weekend.
- Temperatures will again drop below normal for much of next week as a shot of cold air moves into the Midwest.
SHORT TERM /THROUGH SUNDAY NIGHT/
Issued at 245 AM CST Sat Dec 7 2024
Today: A clipper will track well north of the region, across the Northern Great Lakes into Northern New England by tonight.
Eastern Iowa and northwest Illinois will be on the mild and dry side of this system, where persistent warm air advection will lead to high temperatures into the upper 40s to mid 50s (about 10F above normal). Breezy SW winds between 15 - 25+ mph are expected through the day.
Sunday: 850mb temps will hover near +10C across E Iowa/NW Illinois as another clipper drops into the Northern Plains.
Highs will again be well above normal, reaching the low to mid 50s for most spots, and maybe a few degrees cooler along the Highway 20 corridor. Winds won't be quite as strong due to a weaker surface pressure gradient, but still 10 - 20 mph from the south. The southern stream shortwave we've been tracking is forecast to slide a little further to the east. Due to this shift, the NBM only has 20-30% chances for rain in the far east/southeast portion of the outlook area. The main message for Sunday - Sunday night is to expect a continuation of the dry conditions for a majority of the forecast area.
LONG TERM /MONDAY THROUGH FRIDAY/
Issued at 245 AM CST Sat Dec 7 2024
The secondary clipper tracking across the Northern Great Lakes late in the weekend will turn to the northeast and gradually occlude near the southern Hudson Bay. This setup will usher in a much colder air mass across the Midwest with a cold front passing through the local area Monday/Monday night, and potentially a reinforcing shot on Tuesday. NBM highs for Tuesday are back down into the upper 20s to low 30s and then only in the 20s area-wide for Wednesday.
A deep upper trough will be entrenched over the Midwest from Monday night - Wednesday night. With cyclonic flow and cold temperatures aloft (850mb temps between -10 to -13 C), there could be periods of flurries or brief scattered snow showers.
Confidence is too low on timing/coverage to include a mention in the forecast for now. Heading into the latter portion of the week, zonal flow returns aloft and temperatures look to moderate, returning to near or above normal levels.
AVIATION /18Z TAFS THROUGH 18Z SUNDAY/
Issued at 1141 AM CST Sat Dec 7 2024
No concerns with ceilings or visibilities through the period with VFR expected to prevail. Gusty SW winds are expected to continue into early tonight. Strong west winds aloft will lead to a period of low-level wind shear with 45-50 kt W winds at 2000 ft AGL, mainly late this afternoon through early tonight.
DVN WATCHES/WARNINGS/ADVISORIES
IA...None.
IL...None.
MO...None.
Link to 1 hour of 5 minute data for KPVB
Terminal Aerodrome Forecast (TAF) for KPVB
Wind History Graph: PVB
(wind in knots)
GEOS Local Image of Upper Mississippi Valley
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