Temperatures continue to warm, running 44 to 57 from north to south over the viewing area as of 1 p.m. I have 54.5 currently at the WLFI observation site in West Lafayette.
Rainfall since last night has run around 0.20" in the north to as much as 0.95" in the far south. I have measured 0.37" at the WLFI observation site.
All instability, whether elevated or surface-based is along & south of I-70. I have removed any mention of isolated hail from the forecast as a result. Surface-based severe weather from wind, hail to tornadoes will set up south of I-70 as well, corresponding with the heaviest rainfall. Still, watch for areas of flooding from creeks, streams, rivers & large ponding in lawns, fields & on roads here.
We will continue to warm up today ahead of the cold front today to 50s to as high as 62, but the main area of heavy rainfall & storms will be east & southeast of us by the time our temperature peaks. Windy weather will accompany this temperatures peak with gusts from the southeast, then south to south-southwest of 30-40 mph.
Nonetheless, a band of gusty showers will pass with Arctic front late afternoon-evening. Temperatures will rapidly fall from 60 to 32 with a few patches of freezing drizzle & snow flurries. Gusts of 35-50 mph from the west are possible with & just behind the frontal passage.
Secure the trash cans! A few old limbs may come down as well!
Watch for some flash freezing of water in parking lots, on sideways & on some roadways.
Lows tonight will drop to 7-14 with strong west winds 30-40 mph at times. Wind chills will drop to -13 to -4 by early morning with highs tomorrow at only 14-21 with wind chills near or below zero all day, despite sunshine.
After lows single digits to near 10 Friday night, we should see lots of sun & decreasing wind Saturday with highs of 24-28, followed by teens Saturday night.
Skies will turn overcast late Saturday night. It appears that the snow will pass in the 10 a.m. to 5 p.m. time frame over the viewing area with 1-3" of accumulation.
A band of 3-5" is possible in parts of Missouri to central Illinois. We need to watch that to make sure it does not set up farther northeastward.
Temperatures will run 29-32 during the snow, so it will tend to be a rather sticky, wet one.
With overcast skies, temperatures should remain pretty steady at 26-30 Sunday night with highs 30-35 Monday with mostly cloudy to cloudy skies.
Powerful storm system looks to impact the area Monday night-Tuesday-Tuesday night.
Precipitation may begin as snow, sleet & freezing rain, then transition to freezing rain & sleet north & freezing rain & rain south, then go to wind-driven snow.
Snow & accumulation is possible, along with strong gusty winds.
Highs Monday in the 30s will give way to temperatures near 30 Monday night, then highs 32-39 Tuesday, then 25-30 Tuesday night.
Blizzard conditions with heavy snow & gusts 50-60 mph are possible on the back side of this strong surface low from central & eastern Kansas through southeastern Nebraska, southern Iowa, Missouri onward to northwestern Illinois.
If this storm would track farther south, THEN turn to the northeast, it would put us in a heck of a snowstorm. That does not look to happen right, but we will monitor.
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