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Weather Today

THURSDAY NIGHT: Mostly cloudy, chance of an isolated storm. Low: 67. Winds: Southeast 5-10 mph.

FRIDAY: Scattered thunderstorms. High: 85. Winds: South 10-15 mph.

SATURDAY: Thunderstorms likely. High: 74. Winds: Southwest shifting to the north in the afternoon 10-15 mph.

Thomas Patrick
Storm Team 20 Meteorologist

Almanac

THURSDAY, MAY 28, 2015

NORMAL HIGH:
78
NORMAL LOW: 57

RECORD HIGH: 94 (2006)
RECORD LOW: 40 (1992)

SUNRISE:
5:35 a.m.
SUNSET:
8:18 p.m.

Temperatures tonight very much summer like, but we're going to add some summer like humidity to the mix for tomorrow as thunderstorm chances come back into play.

For tonight, a warm front is lifting northward across central Illinois. So far, only isolated thunderstorms have fired up along the front, but short range models, including our RPM and the HRRR, show the possibility for some showers or storms over our southern most counties, Greene to Effingham, for the rest of this afternoon. Otherwise this frontal passage will remain dry, but you'll feel the humidity increase as we go through the evening.

With the warm and humid air, that'll provide the energy for thunderstorm opportunities tomorrow. Thunderstorm will be scattered in nature and the opportunity for thunderstorm exists through the entire day Friday. As far as severe risk, the Storm Prediction Center has a "MARGINAL" risk for tomorrow, ie. low, but thunderstorms can produce heavy downpours, gusty winds, small hail, and frequent lightning.

A cold front then drops from northwest to southeast across our area Saturday. More Thunderstorms are likely with the passage of this powerful front. However, severe risk is low for Saturday. But these rains and thunderstorm may hinder some outdoor plans, especially in the morning and early afternoon. So far models keep rainfall in central Illinois through the 7 pm hour.

Temperatures will be quite a bit colder on the backside of this front. A cool start to next week can be expected with highs in the upper 60s on Sunday, and low to mid 70s on Monday, but we'll quickly warm back into the 80s by mid week.

THE 7-DAY TEMPERATURE OUTLOOK: Look for highs in the mid 80s Friday; mid 70s Saturday; upper 60s Sunday; mid 70s Monday; around 80 Tuesday; and, mid 80s Wednesday and Thursday. Overnight lows will drop to the upper 60s Thursday and Friday night; low 50s Saturday and Sunday night; upper 50s Monday night; and, mid 60s Tuesday and Wednesday night.

Thomas Patrick
Storm Team 20 Meteorologist

 
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