Winnebago 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       CLEAR     49  45  86 NW7       30.04R TC   9           
FREEPORT*        N/A     47  44  90 N8        30.04R TC   8           
ROCHELLE*      CLEAR     49  45  85 N9        30.02S TC  10           
DE KALB*       CLEAR     49  45  84 N9        30.01S TC  10           
PERU*          CLEAR     54  47  76 NW9       30.00S TC  12           

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

.TODAY...Mostly sunny. Highs in the upper 60s. Northeast winds
5 to 10 mph. 
.TONIGHT...Mostly clear. Lows in the lower 40s. East winds around
5 mph. 
.MONDAY...Mostly sunny. Highs in the lower 70s. Southeast winds
10 to 15 mph. 
.MONDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with showers likely with a chance of thunderstorms after
midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph.
Gusts up to 25 mph in the evening. Chance of precipitation
70 percent. 
.TUESDAY...Mostly cloudy with showers with a chance of
thunderstorms in the morning, then partly cloudy with a chance of
thunderstorms in the afternoon. Highs in the mid 70s. Southeast
winds 10 to 15 mph in the morning, becoming southwest in the
afternoon. Gusts up to 25 mph. Chance of precipitation
80 percent. 
.TUESDAY NIGHT...Mostly clear. A slight chance of thunderstorms
in the evening. Lows in the lower 50s. Chance of precipitation
20 percent. 
.WEDNESDAY...Partly cloudy with a slight chance of showers in the
morning, then mostly cloudy with a chance of showers with a
slight chance of thunderstorms in the afternoon. Highs in the mid
70s. Chance of precipitation 50 percent. 
.WEDNESDAY NIGHT...Mostly cloudy. Showers likely with a chance of
thunderstorms in the evening, then a chance of thunderstorms
after midnight. Lows in the lower 50s. Chance of precipitation
60 percent. 
.THURSDAY...Mostly cloudy with a chance of showers. Highs in the
lower 60s. Chance of precipitation 50 percent. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers in the
evening, then partly cloudy after midnight. Lows in the mid 40s.
Chance of precipitation 30 percent. 
.FRIDAY...Partly cloudy. A chance of showers. Highs in the lower
60s. Chance of precipitation 40 percent. 
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. 
.SATURDAY...Partly cloudy. Highs in the mid 60s. 

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)