Click on button above to view IL Watches/Warnings/Special Wx Statements.


Macon County, IL Weather and Climate Synopsis

To access other UK Agricultural Weather Center Pages use the pull-down menu below.

(Click image to zoom) or Click Here

36 Hr. Forecast Map
All Radar images NOAA/UKAWC
Satellite images from NOAA

Weather Summary Hourly Observations Nowcast Agricultural Weather Outlook
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts





US Weekly Rainfall Departure



US Weekly Temperature Departure
Also see:




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

Weather Summary For Central And Southeast Illinois
National Weather Service Lincoln IL
433 AM CST Fri Dec 15 2017

Mostly cloudy skies and cool air prevailed over central and 
southeast Illinois overnight. Pre-dawn temperatures were in the
20s.

Low pressure tracking through the northern Great Lakes today, will
bring light snow as far south as northern Illinois, into northern
Indiana. Farther south, partly to mostly cloudy skies, and
seasonable temperatures are expected. Southwest winds on Saturday,
will boost temperatures well above normal. A low pressure system 
approaching from the southwest, will spread scattered rain showers
across the region, on Sunday.

High temperatures today will range from near 30 degrees in
northern Indiana, to the lower 40s in central Missouri. Lows
tonight will drop into the mid 20s to mid 30s.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Click here for UKAWC Point Agricultural, Lawn & Garden Forecast/Outlook in case of corrupt tables.
Regional Hourly Observations For MACON County
Issued at 600 AM CST FRI DEC 15 2017

CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    27  21  79 SW13      29.98F WCI  16          
BLOOMINGTON    CLOUDY    25  20  81 SW12      30.00S WCI  14          
DECATUR        CLOUDY    26  19  74 SW10      30.04S WCI  16          
PEORIA         CLOUDY    28  21  75 W10       30.02S WCI  19          
6HR MIN TEMP:  25; 6HR MAX TEMP:  28;                                

LACON*         CLOUDY    28  20  74 W9        29.99F WCI  19          
LINCOLN*       CLOUDY    28  22  76 SW5       30.03S WCI  23          
SPRINGFIELD    CLOUDY    29  21  72 SW8       30.05S WCI  21          
6HR MIN TEMP:  22; 6HR MAX TEMP:  29;                                

TAYLORVILLE    CLOUDY    28  20  72 SW7       30.06R WCI  20          
6HR MIN TEMP:  23; 6HR MAX TEMP:  28;                                

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


Current Agricultural Weather Conditions in Illinois
Based on observations at 600am CST, Friday December 15, 2017

Across Illinois...temperatures are near 26 degrees north and near 30 degrees south. Current sky conditions are flurries north and cloudy south. In the north, relative humidity is near 71%, and the dew point is near 18 degrees. In the south, relative humidity is near 69%, and the dew point is near 21 degrees. Winds are from the west at 16 mph with gusts at 22 mph north, where conditions are not favorable for spraying due to strong winds and flurries. The wind chill is near 14 degrees north. Winds are unavailable central. Winds are from the northwest at 5 mph south, where conditions are favorable for spraying. The wind chill is near 25 degrees south. The livestock cold stress index is in the no stress category north, unavailable category central, and no stress category south. Based on current available observations, the highest temperature is 30 degrees at Mount Vernon and Carbondale. The lowest temperature is 25 degrees at Mattoon.


Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time),Livestock Heat Stress Index (LSI), Wind Chill Map
Hazardous Weather Outlook For MACON County,IL

605 AM CST Fri Dec 15 2017

 DAY ONE  TODAY AND TONIGHT  

No hazardous weather is expected at this time. 
 
 DAYS TWO THROUGH SEVEN  SATURDAY THROUGH THURSDAY  

No hazardous weather is expected at this time. 

 SPOTTER INFORMATION STATEMENT  

Spotter activation is not anticipated through tonight.

NWS Severe Weather Map , Convective Outlook


7-Day Forecast For MACON County, IL
404 AM CST Fri Dec 15 2017

TODAY
Mostly cloudy. Highs in the upper 30s. West winds 5 to 15 mph with gusts to around 25 mph.

TONIGHT
Partly cloudy. Near steady temperature in the upper 20s. Southwest winds 5 to 10 mph.

SATURDAY
Not as cool. Sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts to around 25 mph.

SATURDAY NIGHT
Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 30s. South winds 5 to 10 mph.

SUNDAY
Cloudy with a 40 percent chance of rain showers. Highs in the mid 40s. South winds 5 to 10 mph.

SUNDAY NIGHT AND MONDAY
Mostly cloudy. Lows in the upper 30s. Highs around 50.

MONDAY NIGHT
Partly cloudy with a 30 percent chance of rain showers. Lows in the mid 30s.

TUESDAY AND TUESDAY NIGHT
Mostly clear. Highs in the upper 40s. Lows in the upper 20s.

WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. Highs in the mid 40s. Lows in the mid 30s.

THURSDAY
Partly sunny. Highs in the upper 40s.

12-48 Hr Surface, 12-48 Hr ETA 500mb/Sfc, TWC Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip
NGM 60 Hr Forecast Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford , Severe Weather Pot.-Day 1, Day 2


Medium & Long Range Outlook For Illinois
                             ILLINOIS                                                                     
                 ---------------------------------------------
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                   DEC 20-24    DEC 22-28    DEC       DEC-FEB                      
                 -----------  -----------  --------  ---------
   Temperature:     Normal        Below     Normal     Normal                      
 Precipitation:     Normal        Above     Normal      Above                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
MRF 10-Day Forecast Meteograms : Springfield , Peoria , Quad City , Chicago (O'Hare) , Rockford

Almanac Information

Friday December 15, 2017 the 349th Day of Year

---------------------------------------------------
SUN
Declination -23.310000
Distance 0.999725 AU
Rise 08:14 EST Set 17:35 EST
Transit Meridian 12:54 EST
Civil Twilight Begins 07:44 EST Ends 18:05 EST

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy


Historical Weather And Climate Facts For Today

DECEMBER 15TH
HISTORIC WEATHER EVENTS
...1839...
The first of triple storms hit Massachusetts Bay. The storm produced whole
gales, and more than 20 inches of snow in interior New England. There was
great loss of life at Gloucester MA. (David Ludlum)
...1901...
An intense cold front swept across the eastern U.S. The cold front produced
heavy rain in Louisiana, and heavy snow in the northeastern U.S. (David
Ludlum)
...1945...
A record December snowstorm buried Buffalo NY under 36.6 inches of snow,
with unofficial totals south of the city ranging up to 70 inches. Travel
was brought to a halt by the storm. (14th-17th) (The Weather Channel)
...1987...
A major winter storm hit the Great Lakes Region, intensifying explosively
as it crossed northern Illinois. High winds and heavy snow created blizzard
conditions in southeastern Wisconsin. Winds gusted to 73 mph, and snowfall
totals ranged up to 17 inches at LaFarge. The barometric pressure at
Chicago IL dropped three quarters of an inch in six hours to 28.96 inches,
a record low reading for December. Up to a foot of snow blanketed northern
Illinois, and winds in the Chicago area gusted to 75 mph. O'Hare Airport in
Chicago was closed for several hours, for only the fourth time in twenty
years. High winds derailed train cars at Avon IN. Light winds and partly
sunny skies were reported near the center of the storm, a feature typical
of tropical storms. (The National Weather Summary) (Storm Data)
...1988...
High pressure in the Pacific Northwest and low pressure in the southwestern
U.S. combined to produced high winds from Utah to California. Winds gusting
to 70 mph in the San Francisco area left nearly 300,000 residents without
electricity. Winds in Utah gusted to 105 mph at Centerville. (The National
Weather Summary) (Storm Data)
...1989...
A couple of low pressure systems spread heavy snow across the northeastern
U.S. Up to two feet of snow was reported along Lake Erie in northeastern
Ohio, and up to ten inches was reported in Connecticut. Heavy snow squalls
developed over Michigan for the third day in a row. Three Oaks MI reported
25 inches of snow in two days. Twenty-six cities in the north central U.S.
reported record low temperatures for the date. The low of 10 degrees below
zero at Wichita KS was a December record for that location. (The National
Weather Summary) (Storm Data)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky