Lee 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

NORTH CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       PTSUNNY   83  60  45 S8G21     29.84F HX  83  TC  28   
6HR MIN TEMP:  62; 6HR MAX TEMP:  85;                                

FREEPORT*      MOSUNNY   82  57  42 S15       29.84F HX  82  TC  28   
ROCHELLE*      PTSUNNY   83  56  38 SW10G20   29.85F HX  82  TC  29   
DE KALB*       MOSUNNY   81  57  43 SW10      29.87S HX  81  TC  27   
PERU*          SUNNY     85  59  41 SW12G17   29.85F HX  85  TC  30   

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

.THIS AFTERNOON...Partly cloudy. Unseasonably warm. Highs in the
upper 80s. Southwest winds 10 to 15 mph. 
.TONIGHT...Partly cloudy in the evening, then clearing.
Unseasonably mild. Lows in the mid 60s. Southwest winds 5 to
10 mph in the evening, becoming northwest after midnight. 
.SUNDAY...Mostly sunny in the morning, then becoming partly
cloudy. A slight chance of. Continued warm with highs in the mid
80s. Northeast winds 5 to 10 mph. 
.SUNDAY NIGHT...Mostly cloudy in the evening, then partly cloudy
with a chance of showers and thunderstorms after midnight. Lows
in the lower 60s. Southeast winds 10 to 15 mph. Chance of
precipitation 30 percent. 
.MONDAY...Mostly cloudy. A chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon. Highs in the mid 80s. South winds 10 to 20 mph. Gusts
up to 25 mph in the afternoon. Chance of precipitation
70 percent. 
.MONDAY NIGHT...Showers and thunderstorms likely. Lows in the mid
60s. Chance of precipitation 70 percent. 
.TUESDAY...Mostly cloudy. A chance of showers and thunderstorms
in the morning, then showers and thunderstorms likely in the
afternoon. Highs in the mid 80s. Chance of precipitation
70 percent. 
.TUESDAY NIGHT...Mostly cloudy. Showers and thunderstorms likely,
mainly in the evening. Lows in the upper 50s. Chance of
precipitation 70 percent. 
.WEDNESDAY...Partly cloudy. A chance of showers in the afternoon.
Highs in the lower 70s. Chance of precipitation 30 percent. 
.WEDNESDAY NIGHT...Partly cloudy with a chance of showers in the
evening, then mostly clear after midnight. Lows in the lower 50s.
Chance of precipitation 30 percent. 
.THURSDAY...Mostly sunny. Highs in the lower 70s. 
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. 
.FRIDAY...Partly cloudy. A chance of showers in the afternoon.
Highs in the lower 70s. Chance of precipitation 30 percent. 

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

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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)