County, Illinois Weather and Climate Synopsis

Regional Hourly Observations Nowcast: 0-6 Hour Forecast Forecast: 7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

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A joint service of the UK Ag Weather Center and the National Weather Service.

Synopsis...

A SURFACE LOW PRESSURE SYSTEM WAS ACROSS THE NORTHERN GREAT LAKES
AND PROVIDED MOSTLY CLOUDY SKIES OVERNIGHT AND INTO MONDAY MORNING.
EARLY MORNING LOW TEMPERATURES RANGED MAINLY FROM 45 TO 50
DEGREES ACROSS THE REGION.

COOLER TEMPERATURES WERE ACROSS ILLINOIS WITH MORNING. TEMPERATURES
WERE SLOWLY CLIMBING INTO THE UPPER 40S ACROSS NORTH CENTRAL
ILLINOIS. WITH SOME PATCHY SUN...TEMPERATURES CLIMBING INTO THE UPPER
50S ACROSS FAR SOUTHEAST ILLINOIS.  SCATTERED LIGHT RAIN HAD
DEVELOPED ACROSS PARTS OF NORTH CENTRAL ILLINOIS.

AS LOW PRESSURE IS ACROSS THE NORTHERN GREAT LAKES TODAY...MOSTLY
CLOUDY SKIES AND SCATTERED LIGHT RAIN CAN BE EXPECTED.
HIGH TEMPERATURES WILL RANGE FROM THE LOWER 50S ACROSS NORTH
CENTRAL ILLINOIS TO THE LOWER 60S ACROSS SOUTHEAST ILLINOIS. AS THE
LOW PRESSURE MOVES NORTHEAST INTO SOUTHERN CANADA...EXPECT A DECREASE
IN CLOUDS THIS EVENING AND OVERNIGHT ACROSS CENTRAL AND SOUTHEAST
ILLINOIS.

$$

NORTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR      0 -11  59 W8        30.45R WCI -14 TC -18   

Current Temperatures, Dewpoint Map, RH, Wind, Regional Obs, Surface 4-Panel
Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford

...COLD WEATHER ADVISORY IN EFFECT UNTIL 11 AM CST MONDAY...
.REST OF TONIGHT...Mostly clear. Cold with lows around 6 below.
West winds 5 to 10 mph with gusts up to 20 mph. Wind chill values
as low as 22 below. 
.MARTIN LUTHER KING JR DAY...Mostly sunny. Scattered flurries in
the afternoon. Cold with highs around 5 above. West winds 10 to
15 mph with gusts up to 25 mph. Wind chill values as low as
22 below. 
.MONDAY NIGHT...Partly cloudy. Scattered flurries in the evening.
Cold with lows around 11 below. Northwest winds 10 to 15 mph.
Wind chill values as low as 28 below. 
.TUESDAY...Sunny, cold with highs around 3 above. West winds 5 to
10 mph with gusts up to 20 mph. Wind chill values as low as
28 below. 
.TUESDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. Cold with lows around 2 below. Temperature rising
to around 5 above after midnight. South winds 10 to 15 mph with
gusts up to 25 mph. Wind chill values as low as 18 below. 
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a 30 percent
chance of snow. Highs in the mid 20s. Lows 10 to 15. Wind chill
values as low as 10 below. 
.THURSDAY...Mostly cloudy in the morning, then becoming partly
sunny. Highs in the mid 20s. 
.THURSDAY NIGHT...Partly cloudy. Lows around 10 above. 
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. Highs in the mid 20s.
Lows around 20. Wind chill values as low as zero. 
.SATURDAY THROUGH SUNDAY...Mostly cloudy. Highs in the lower 30s.
Lows 15 to 20. 

12-48 Hr Surface, 12-48 Hr ETA 500mb/Sfc, TWC Forecast, Fire Danger, Day 1 Precip, Day 2
NGM 60 Hr Forecast Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford ,

                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY     120 DAY    180 DAY
                                           NOV05   NOV05-JAN06 DEC05-FEB06 FEB06-APR06
                 -----------  -----------  --------  ---------  ---------  ---------
   Temperature:      Below        Below      Above     Normal     Normal     Normal
 Precipitation:      Below        Below     Normal     Normal     Normal     Normal

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy

JANUARY 20TH
HISTORICAL WEATHER FACTS
...1937...
The wettest Inaugural Day of record with 1.77 inches of rain in 24 hours.
Temperatures were only in the 30s as Franklin D. Roosevelt was sworm in for
his second term. (David Ludlum)
Also...in 1937...A record crest on the Rough River was attained with a stage 
of 31.8 feet at Dundee. (NWS Louisville)
...1943...
Strange vertical antics took place in the Black Hills of South Dakota.
While the temperature at Deadwood was a frigid 16 degrees below zero, the
town of Lead, just a mile and a half away, but 600 feet higher in
elevation, reported a balmy 52 degree reading. (David Ludlum)
...1954...
The temperature at Rogers Pass MT plunged to 70 degrees below zero to
establish a new record for the continental U.S. (David Ludlum)
...1978...
A paralyzing "Nor'easter" produced a record 21 inches of snow at Boston, 15
to 20 inches in Rhode Island, and one to two feet of snow in Pennsylvania.
Winds along the coast of Connecticut gusted to 70 mph. (David Ludlum)
Also... Louisville's deepest snowcover: 19 inches. (NWS Louisville)
...1987...
Gale force winds lingered along the northern Atlantic coast in the wake of
a holiday weekend storm. High winds along the eastern slopes of the
Northern Rockies gusted to 67 mph at Livingston MT, and high winds in
southern California gusted to 70 mph near San Bernardino. (National Weather
Summary) (Storm Data)
...1988...
A storm in the Upper Midwest produced heavy snow and gale force winds. Up
to 27.5 inches of snow was reported along the Lake Superior shoreline of
Michigan, with 22 inches at Marquette. (National Weather Summary) (Storm
Data)
...1989...
The temperature in the Washington D.C. area warmed into the lower 50s for
the Presidential Inauguration during the late morning hours, before gusty
northwest winds ushered in colder air that afternoon. (National Weather
Summary)
...1990...
While heavy thunderstorm rains drenched the Central Gulf Coast States, with
4.23 inches reported at Centreville AL in 24 hours, unseasonably warm
weather continued across Florida. Five cities in Florida reported record
high temperatures for the date. Tampa FL equalled their record high for
January of 85 degrees. (National Weather Summary)