Massac 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.

Current Surface Map, [TWC], Yesterday's Highs , Lows
Map of 24 Hr Rainfall (7AM - 7AM EST), 7 Day Rainfall Animation

SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     MOCLDY    61  59  93 N5        30.01R TC  16           
CAIRO*         CLOUDY    65  63  93 NE3       30.01R TC  18           
EFFINGHAM*     CLOUDY    60  54  78 N8        30.03R TC  16           
MARION         CLOUDY    63  62  96 N5        30.02R TC  17           
MT. VERNON     CLOUDY    61  60  97 CALM      30.01R TC  16           
CENTRALIA*     CLOUDY    60  56  86 N7        30.02R TC  16           
SALEM*         CLOUDY    61  59  91 NW5       30.01S TC  16           
METROPOLIS*    CLOUDY    63  62  97 CALM      30.01R TC  17           

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

.TODAY...Partly sunny. A chance of showers with a slight chance
of thunderstorms this afternoon. Highs around 80. North winds
around 5 mph. Chance of rain 30 percent. 
.TONIGHT...A chance of thunderstorms. Showers. Lows in the lower
60s. Northeast winds around 5 mph, becoming east after midnight.
Chance of rain 80 percent. 
.MONDAY...A chance of thunderstorms. Showers. Highs in the upper
70s. Southeast winds 5 to 10 mph, becoming south in the
afternoon. Chance of rain 80 percent. 
.MONDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph.
Chance of rain 50 percent. 
.TUESDAY...A chance of thunderstorms. Showers. Highs in the lower
80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of
rain 80 percent. 
.TUESDAY NIGHT...A chance of thunderstorms. Showers likely,
mainly in the evening. Lows in the mid 60s. Chance of rain
70 percent. 
.WEDNESDAY AND WEDNESDAY NIGHT...Showers with thunderstorms
likely. Highs in the lower 80s. Lows in the lower 60s. Chance of
rain 80 percent. 
.THURSDAY...Mostly sunny. Highs in the lower 80s. 
.THURSDAY NIGHT...Mostly clear with a chance of showers in the
evening, then partly cloudy after midnight. Lows in the mid 50s.
Chance of rain 30 percent. 
.FRIDAY...Mostly sunny. Highs in the lower 70s. 
.FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows in the upper 40s.
Highs in the lower 70s. 

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

Sunday May 05, 2024 the 126th Day of Year

---------------------------------------------------
SUN
Declination 16.690000
Distance 0.999718 AU
Rise 06:53 EDT Set 20:59 EDT
Transit Meridian 13:55 EDT
Civil Twilight Begins 06:25 EDT Ends 21:27 EDT

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

///////////////////////////////
MAY 5TH...HISTORIC WEATHER EVENTS
...1917...
The same storm which a day earlier produced eight inches of snow in the Texas 
panhandle, produced a foot of snow at Denver CO, their heaviest snow
of record for the month of May. (David Ludlum)
...1930...
The temperature at College Park VA soared from 43 degrees to 93 degrees to
begin an exceptional heat wave. (Sandra and TI Richard Sanders - 1987)
...1987...
Unseasonably hot weather prevailed in the western U.S. A dozen cities in 
California reported record high temperatures for the date. Afternoon highs 
of 93 degrees at San Francisco, 98 degrees at San Jose, 100 degrees at 
Sacramento, and 101 degrees at Redding, were the warmest of record for so 
early in the season. The high of 94 degrees at Medford OR was also the 
warmest of record for so early in the season. (The National Weather 
Summary)
...1989...
Damage was in the millions as the funnel cut a swath across Cleveland, 
Lincoln, and Catawba counties in North Carolina. The F4 tornado killed 4 
and injured 52.
...1996...
Flash flooding occurred in Pike and Morgan counties Kentucky. Heavy rain 
produced flooding along route 460 near Cottle in Morgan county. 
However...the flooding was much worse in northern and eastern sections of 
Pike county...where damage was estimated at one million dollars. Up to two 
and a half inches of rain fell during a short period of time in Pike 
county. Forty to fifty bridges were washed out...numerous roads were 
flooded and automobiles were washed down creeks. The Varney elementary 
school suffered serious flood damage. (NWS Jackson, KY)