McLean County Weather and Climate Synopsis



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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

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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
858 PM CDT Wed Jul 31 2019

Cirrus clouds moved across western Illinois this evening, as a
band of rainfall slid through eastern Missouri. Temperatures late
evening were beginning to fall into the 60s.

The dry and seasonable weather pattern will continue through the
remainder of this week and into the weekend. As High pressure
slides toward the East Coast this weekend, temperatures will climb
back into the upper 80s to near 90 by Sunday.

Lows tonight will drop into the mid 50s to mid 60s. Highs Thursday
will peak in the upper 70s across northeast Indiana, increasing
southwest to the mid 80s in Missouri.

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 MCLEAN County
Issued at 200 PM CDT FRI APR 26 2024

CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC RAIN 49 49 97 E15 29.99R TC 10 BLOOMINGTON LGT RAIN 50 49 96 E16 29.96S TC 10 DECATUR LGT RAIN 58 53 84 SE7 29.96S TC 14 PEORIA LGT RAIN 51 49 92 SE13G23 29.91F TC 11 LACON* RAIN 47 46 93 SE12G17 29.94F TC 9 LINCOLN* CLOUDY 54 52 94 SE10G18 29.93F TC 12 SPRINGFIELD CLOUDY 55 54 96 SE12 29.91F TC 13 TAYLORVILLE LGT RAIN 59 54 82 MISG 29.94F TC 15

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 200pm CDT, Friday April 26, 2024

Across Illinois...temperatures are near 50 degrees north, near 58 degrees central, and near 74 degrees south. Current sky conditions are light rain north, light rain central, and partly sunny south. In the north, relative humidity is near 80%, and the dew point is near 44 degrees. In the central part of the state, relative humidity is near 84%, and the dew point is near 53 degrees. In the south, relative humidity is near 61%, and the dew point is near 60 degrees. Winds are from the southeast at 8 mph north, where conditions are not favorable for spraying due to light rain. Winds are from the southeast at 7 mph central, where conditions are not favorable for spraying due to light rain. Winds are from the south at 14 mph with gusts at 20 mph south, where conditions are not favorable for spraying due to strong winds. Based on current available observations, the highest temperature is 100/ degrees at Northerly Island. The lowest temperature is 47 degrees at Waukegan, Lacon, and Freeport.

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 MCLEAN County,IL

1051 AM CDT Fri Apr 26 2024 DAY ONE Today and tonight. Showers and a few non-severe storms are possible through the afternoon. Locally heavy rain resulting in ponding of water is possible along with dangerous cloud-to-ground lightning. Isolated strong to severe thunderstorms are possible this evening, with a threat of large hail and damaging winds, as well as locally heavy rain. DAYS TWO THROUGH SEVEN Saturday through Thursday. Additional thunderstorms are expected Saturday through Sunday night, which may also become severe. The timing of this severe weather threat is more uncertain during this period. South winds will gust from 30 to 40 mph on Saturday and Sunday. SPOTTER INFORMATION STATEMENT Spotter activation may be needed this evening. Expected storm motion is toward the northeast around 50 mph.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For MCLEAN County, IL
1221 PM CDT Fri Apr 26 2024 THIS AFTERNOON
Showers and thunderstorms likely. Highs in the lower 60s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.
TONIGHT
Showers and thunderstorms likely, mainly in the evening. Not as cool. Near steady temperature in the lower 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 60 percent.
SATURDAY
Mostly cloudy with a slight chance of showers and thunderstorms. Breezy and not as cool with highs in the upper 70s. South winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Breezy with lows in the mid 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 40 percent.
SUNDAY
Partly sunny with a chance of showers. Windy with highs around 80. South winds 20 to 30 mph with gusts up to 40 mph. Chance of rain 50 percent.
SUNDAY NIGHT AND MONDAY
Showers with a chance of thunderstorms. Windy. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 90 percent.
MONDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 40 percent.
TUESDAY
Sunny. Highs in the upper 70s.
TUESDAY NIGHT
Partly cloudy. Lows in the upper 50s.
WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 70s. Lows in the mid 50s. Chance of rain 40 percent.
THURSDAY
Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 40 percent.
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 MAY 1-MAY 5 MAY 3-MAY 9 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Above Above Precipitation: Normal Normal .... 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 April 26, 2024 the 117th Day of Year --------------------------------------------------- SUN Declination 14.010000 Distance 0.999718 AU Rise 07:04 EDT Set 20:50 EDT Transit Meridian 13:56 EDT Civil Twilight Begins 06:37 EDT Ends 21:17 EDT 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

APRIL 26TH HISTORIC WEATHER EVENTS ...1834... Killer frosts were reported in the Deep South. The frost was quite severe around Huntsville AL, and highlighted a backward spring in the South that year. (David Ludlum) ...1978... An unusually strong occluded front swept out of the Gulf of Alaska and produced the first April thunderstorm of record at Fairbanks. Pea size hail fell northeast of Fairbanks from thunderstorms whose tops were less than 8000 feet. (The Weather Channel) ...1984... Severe thunderstorms associated with an intense cyclone spawned a total of forty-seven tornadoes in two days from Louisiana to Upper Michigan. The tornadoes killed 16 persons and injured 259 others. (Storm Data)

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