Montgomery 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

CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        SUNNY     85  56  36 S9        29.85S HX  83  TC  29   
BLOOMINGTON    MOSUNNY   83  60  45 SW8       29.87S HX  83  TC  28   
DECATUR        SUNNY     84  61  45 S7        29.86S HX  84  TC  29   
PEORIA         MOSUNNY   85  58  39 SW12      29.84R HX  84  TC  29   
LACON*         SUNNY     83  58  42 SW3       29.83S HX  82  TC  28   
LINCOLN*       SUNNY     85  58  38 S5        29.85S HX  84  TC  30   
SPRINGFIELD    SUNNY     86  63  45 SW7       29.84F HX  87  TC  30   
TAYLORVILLE    SUNNY     83  58  42 SW5       29.86S HX  83  TC  29   

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

.TONIGHT...Mostly clear. Patchy fog after midnight. Lows in the
lower 60s. South winds around 5 mph. 
.SUNDAY...Sunny. Highs in the upper 80s. Southwest winds around
5 mph. 
.SUNDAY NIGHT...Partly cloudy in the evening, then becoming
mostly clear. Lows in the mid 60s. South winds around 5 mph. 
.MONDAY...Mostly sunny. A slight chance of showers and
thunderstorms in the afternoon. Highs in the mid 80s. South winds
10 to 15 mph. Chance of rain 20 percent. 
.MONDAY NIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph.
Chance of rain 20 percent. 
.TUESDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
.TUESDAY NIGHT...Showers and thunderstorms likely in the evening,
then showers with a chance of thunderstorms after midnight. Lows
in the mid 60s. Chance of rain 80 percent. 
.WEDNESDAY...A chance of thunderstorms. A chance of showers in
the morning, then showers likely in the afternoon. Highs in the
upper 70s. Chance of rain 70 percent. 
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers and
thunderstorms in the evening, then mostly clear with a slight
chance of showers after midnight. Cooler with lows in the mid
50s. Chance of rain 50 percent. 
.THURSDAY...Sunny. A slight chance of showers and thunderstorms
in the afternoon. Highs in the upper 70s. Chance of rain
20 percent. 
.THURSDAY NIGHT...Partly cloudy in the evening, then becoming
mostly cloudy. A chance of showers and thunderstorms. Lows around
60. Chance of rain 40 percent. 
.FRIDAY...Partly sunny with a chance of showers and
thunderstorms. Highs in the upper 70s. Chance of rain 50 percent.
.FRIDAY NIGHT...Partly cloudy with a chance of showers with a
slight chance of thunderstorms. Lows in the upper 50s. Chance of
rain 50 percent. 
.SATURDAY...Mostly sunny with a 40 percent chance of showers.
Highs around 80. 

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

Saturday May 18, 2024 the 139th Day of Year

---------------------------------------------------
SUN
Declination 19.880000
Distance 0.999717 AU
Rise 06:41 EDT Set 21:11 EDT
Transit Meridian 13:55 EDT
Civil Twilight Begins 06:11 EDT Ends 21:41 EDT

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

////////////////////////////
MAY 18TH...HISTORIC WEATHER EVENTS
...1825...
A tornado (said to have crossed all of the state of Ohio) smashed into the
log cabin settlement of Burlington, northeast of Columbus. (David Ludlum)
...1960...
Salt Lake City UT received an inch of snow. It marked their latest
measurable snowfall of record. (The Weather Channel)
...1980...
Mount Saint Helens (in Washington State) erupted spewing ash and smoke
sixty-three thousand feet into the air. Heavy ash covered the ground to the
immediate northwest, and small particles were carried to the Atlantic
coast. (David Ludlum)