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September 18, 10 PM Weather Forecast Update

More late-season heat with higher humidity Sunday & some opportunities for rainfall to start the week....Coolest weather since late May will follow....

Posted: Sep 18, 2021 8:15 PM
Updated: Sep 18, 2021 9:32 PM

It was a near-record hot day with 91.4 degrees officially at the Purdue Airport.  This was close to the record high of 93 set in 1891 (records for Purdue go back to 1879).

It was another very warm to hot day with highs 88-94. The humidity was held in check mostly with dew points trending at 58-64.

94  Attica

93  Covington

92  Kokomo Municipal Airport; Flora Municipal Airport; Delphi; Fowler; Crawfordsville

91  Purdue Airport; Frankfort Municipal Airport; Kentland Municipal Airport; Galveston Airport; New Market

90  Logansport-Cass County Airport; Rochester-Fulton County Airport

89  Grissom ARB; Monticello-White County Airport; Peru Municipal Airport; Remington; Winamac

88  Morocco

_____________________________________

Some patchy fog is possible tonight to early Sunday morning with lows in the 63-68 range.

Sunday will feature increasing clouds with highs 87-93.  With higher humidity, heat indices will run 91-99.

An isolated shower/t'showers is possible as enhanced cumulus clouds develop in the afternoon, mixed with some high & mid clouds.

Winds will be from the southeast at 8-16 mph. 

First batch of some rainfall should pass late Monday night-Tuesday AM in generally the 3 am-10 am time frame.

Most amounts will total 0.10-0.30".  A band of up to 0.80" is possible in the area.

Break should follow with sun appearing.

With some sun, some new scattered storms are possible Monday late afternoon-evening in the 4-9 p.m. time frame.

With southeast to south-southeast winds 15-30 mph Monday, highs should run in the 80s with humid to muggy dew points in the 70-75 range.

Given the highly-scattered nature of the storms, rainfall will be very hit-or-miss, but areas that see one of the storm move through could get a quick 0.40-0.80" of rainfall.

Skies may tend to clear Monday night with muggy south-southeast wind 10-25 mph.  Temperatures will run steady in the 70s.

Cold front will become increasingly ana-frontal by late Monday night-early Tuesday morning.  Note how the front with the line of showers & storms will tend to outrun the heavier storms.

It will end up as a situation where much of the shower & storm action will then set up BEHIND the front.

The actual cold front should pass Tuesday morning as a line of weakening showers & isolated storms.

Then, some scattered showers & isolated thunder should occur behind the front Tuesday afternoon to early evening.

South to southwest winds decreasing to 10-15 mph in the morning should then go to the northwest at 15-25 mph.

Northwest winds & the rainfall will occur in the afternoon-evening.

Upper 70s to lower 80s Tuesday morning ahead of the front should drop to the 64-68 range by afternoon.

Much of the area is looking at 0.10-0.25" of rainfall.  However, some pockets of 0.50" are possible.

Temperatures will fall into the 50s by late evening with a cool, refreshing northwest wind continuing as clearing ensues.

Nice, cool weather is expected Wednesday with mostly sunny skies becoming partly to mostly cloudy as instability cumulus & stratocumulus develop & pivot in from the northwest.  A couple isolated showers are possible with highs 65-73.

With clearing trend, lows Wednesday night of 43-48 are expected.

With partly cloudy skies, highs of 68-73 are likely Thursday with lows Thursday night at 42-47.

We begin to warm up Friday with mostly sunny skies & highs 74-79, followed by lows Friday night at 51-56.

Saturday highs of 77-82 are expected with mostly sunny skies.

77/45...Sept. 24, Fri. Mostly Sunny, E to SSE to S Wind 10-15 mph.

81/54...Sept. 25, Sat. Mostly Sunny, SW Wind 15-30 mph...Records: 94-1891

88/61...Sept. 26, Sun. Partly Cloudy, SW Wind 20-35 mph....Records: 96-1891

82/66...Sept. 27, Mon. Partly Cloudy, Few Showers/Storms, SW Wind 15-25 mph to NE Wind 10-20 mph.

72/53...Sept. 28, Tue. Sunny, E Wind 2-5 mph.

76/45...Sept. 29, Wed. Mostly Sunny, S Wind 10-15 mph.

83/52...Sept 30, Thu. Partly Cloudy, SW Wind 10-20 mph.

85/60...Oct. 1, Fri. Partly Cloudy, SW Wind 10-20 mph...Records: 92-1897

84/63...Oct. 2, Sat. Mostly Cloudy, Some Sct'd Showers/Storms Possible, SSW 10-20 mph...Records: 92-1983

71/52...Oct. 3, Sun. Becoming Partly Cloudy, NW Wind 10-25 mph.

70/44...Oct. 4, Mon. Partly Cloudy, W Wind 10-15 mph.

71/42...Oct. 5, Tue. Partly Cloudy, WNW 10 mph.

72/44...Oct. 6, Wed. Mostly Sunny, W 10 mph.

71/44...Oct. 7, Thu. Mostly Sunny, NW Wind 5-10 mph.

72/42...Oct. 8, Fri. Mostly Sunny, E Wind 5 mph

78/52...Oct. 9, Sat. Mostly Sunny, S Wind 10 mph

83/60...Oct. 10, Sun. Mostly Sunny, S Wind 15-30 mph...Records: 88-1938

85/65...Oct. 11, Mon. Partly Cloudy, SW Wind 20-40 mph......Records: 86-2010

83/64...Oct. 12, Tue. Mostly Cloudy, Sct'd Showers/Storms, SW Wind 20-30 mph...Records: 87-1930

60/52...Oct. 13, Wed. Mostly Cloudy with a Few Showers, Then Partly Cloudy, Northwest Winds 15-25 mph.

61/35...Oct. 14, Thu. Mostly Sunny, N Wind 5-10 mph.

66/35...Oct. 15, Fri. Mostly Sunny, SE Wind 5 mph.

74/48...Oct. 16, Sat. Partly Cloudy, SW 15-25 mph.

80/60...Oct. 17, Sun. Partly Cloudy, Few Showers & Storms Late, SW 20-35 mph.

52/40...Oct. 18, Mon. Mostly Cloudy, NW 20-35 mph.

56/30...Oct. 19, Tue. Mostly Sunny, NW 5-10 mph.

60/30...Oct. 20, Wed. Sunny, NE 5-10 mph.

65/34...Oct. 21, Thu. Sunny, S 5-15 mph

72/49...Oct. 22, Fri. Mostly Sunny, SW 20-35 mph

After some of that rainfall Monday-Tuesday, pattern is quite dry for the rest of September.

Drier than normal trend continues through October & November.

Brush & field fire risk will go up substantially in October to November.

After an overall warmer & drier than normal October-November, it still appears winter will hit suddenly & pretty hard in December.I am still going for below normal temperatures & above normal precipitation with above normal snowfall.

This year, we have a better shot at a White Christmas.

We should then turn suddenly mild around New Year's Eve & the warmer, wetter weather should continue into early January.

Thoughts are that winter returns in late January with colder weather & snow, but the very end of December through early January may have little to no snow at all (after a snowy December).

Late January through the first entire half of February looks colder & snowier than normal, but then late February should turn nice & mild & thaw again.

March still favors above normal temperatures & precipitation with below normal snowfall.

West Lafayette
Cloudy
56° wxIcon
Hi: 62° Lo: 55°
Feels Like: 56°
Kokomo
Cloudy
58° wxIcon
Hi: 66° Lo: 57°
Feels Like: 58°
Rensselaer
Cloudy
52° wxIcon
Hi: 62° Lo: 53°
Feels Like: 52°
Fowler
Cloudy
56° wxIcon
Hi: 62° Lo: 53°
Feels Like: 56°
Williamsport
Cloudy
52° wxIcon
Hi: 62° Lo: 53°
Feels Like: 52°
Crawfordsville
Cloudy
55° wxIcon
Hi: 64° Lo: 56°
Feels Like: 55°
Frankfort
Cloudy
55° wxIcon
Hi: 64° Lo: 56°
Feels Like: 55°
Delphi
Cloudy
53° wxIcon
Hi: 63° Lo: 56°
Feels Like: 53°
Monticello
Cloudy
52° wxIcon
Hi: 64° Lo: 56°
Feels Like: 52°
Logansport
Cloudy
55° wxIcon
Hi: 62° Lo: 56°
Feels Like: 55°
More showers, isolated thunder, then nice, Fall-like weekend...
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