DeKalb County Weather and Climate Synopsis



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Weather Summary

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7 Day Forecast

Medium & Long Range Outlook

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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]

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Regional Hourly Observations For DEKALB County
Issued at 700 AM CDT FRI APR 19 2024

NORTH CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS ROCKFORD CLEAR 38 27 64 W5 30.15R WCI 34 TC 3 6HR MIN TEMP: 37; 6HR MAX TEMP: 45; FREEPORT* CLEAR 37 29 73 W6 30.16R WCI 33 TC 3 ROCHELLE* CLEAR 36 28 74 W6 30.16R WCI 31 TC 2 DE KALB* CLEAR 36 28 71 NW10 30.14R WCI 29 TC 2 PERU* CLEAR 39 32 76 W6 30.17R WCI 35 TC 4

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 700am CDT, Friday April 19, 2024

Across Illinois...temperatures are near 38 degrees north, near 44 degrees central, and near 49 degrees south. Current sky conditions are clear north, clear central, and not available south. In the north, relative humidity is near 64%, and the dew point is near 27 degrees. In the central part of the state, relative humidity is near 73%, and the dew point is near 36 degrees. In the south, relative humidity is near 83%, and the dew point is near 44 degrees. Winds are from the west at 5 mph north, where conditions are favorable for spraying. The wind chill is near 34 degrees north. Winds are from the north at 16 mph central, where conditions are not favorable for spraying due to strong winds. Winds are variable at 5 mph south, where conditions are not favorable for spraying due to not available. Based on current available observations, the highest temperature is 280/ degrees at Northerly Island. The lowest temperature is 35 degrees at Moline.

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 DEKALB County,IL
244 AM CDT Fri Apr 19 2024 /344 AM EDT Fri Apr 19 2024/ DAY ONE Today and Tonight. Weather hazards expected Elevated Fire Weather Risk. Limited Frost Risk across northwest Illinois. DISCUSSION The combination of westerly winds gusting up to 35 to 40 mph and minimum relative humidity values of 25 to 35 percent will lead to an elevated fire danger today. Patchy frost is possible across northwest Illinois tonight. DAYS TWO THROUGH SEVEN Saturday through Thursday. Saturday night and Monday night Elevated to Significant Frost and Freeze Risk outside of Chicago. Tuesday Limited Thunderstorm Risk. SPOTTER INFORMATION STATEMENT Spotter activation will not be necessary through tonight.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For DEKALB County, IL
312 AM CDT Fri Apr 19 2024 TODAY
Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph in the morning, increasing to 15 to 25 mph in the afternoon. Gusts up to 35 mph.
TONIGHT
Mostly clear. Patchy frost after midnight. Lows in the mid 30s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
SATURDAY
Mostly sunny in the morning, then becoming mostly cloudy. Patchy frost in the morning. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then clearing. Areas of frost after midnight. Lows in the lower 30s. West winds 10 to 15 mph.
SUNDAY
Areas of frost in the morning. Sunny. Highs in the upper 50s. West winds 10 to 15 mph.
SUNDAY NIGHT
Clear. Areas of frost after midnight. Lows in the mid 30s.
MONDAY
Mostly sunny in the morning, then becoming mostly cloudy. Highs in the lower 60s.
MONDAY NIGHT
Mostly cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 40s. Chance of precipitation 60 percent.
TUESDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 60s. Chance of precipitation 60 percent.
TUESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 30s.
WEDNESDAY
Mostly sunny. Highs in the mid 50s.
WEDNESDAY NIGHT
Mostly clear. Lows in the lower 30s.
THURSDAY
Partly cloudy. Highs in the upper 50s.
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 APR 24-28 APR 26-MAY 2 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Precipitation: .... 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 19, 2024 the 110th Day of Year --------------------------------------------------- SUN Declination 11.700000 Distance 0.999719 AU Rise 07:14 EDT Set 20:43 EDT Transit Meridian 13:57 EDT Civil Twilight Begins 06:47 EDT Ends 21:10 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 19TH HISTORIC WEATHER EVENTS ...1775... The first engagement of the Revolutionary War took place under clear crisp weather at Lexington-Concord. (Sandra and TI Richard Sanders - 1987) ...1941... The temperature at Sodus NY soared to 95 degrees. The next day Albany NY reported a record for April of 93 degrees. (The Weather Channel) ...1973... Glenrock WY received 41 inches of snow in just 24 hours, and a storm total of 58 inches, to establish two state records. (18th-20th) (David Ludlum) (The Weather Channel) ...1976... The northeastern U.S. was in the midst of an early season heat wave, and the Boston Marathon took place in 90 degree heat. At Providence RI the mercury hit 98 degrees. (David Ludlum)

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