Brown County Weather and Climate Synopsis



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36 Hr. Forecast Map
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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 BROWN County
Issued at 500 AM CDT THU APR 18 2024

WEST-CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS QUINCY CLOUDY 55 45 68 SE5 29.99R TC 13 GALESBURG* MOCLDY 47 42 81 NE7 29.99F TC 8 MACOMB* CLOUDY 49 43 81 E6 30.00R TC 9 JACKSONVILLE* CLOUDY 49 43 79 E5 30.00R TC 10 PITTSFIELD* CLOUDY 54 46 75 E3 30.01R TC 12

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 500am CDT, Thursday April 18, 2024

Across Illinois...temperatures are near 42 degrees north, near 46 degrees central, and near 55 degrees south. Current sky conditions are mostly cloudy north, partly cloudy central, and partly cloudy south. In the north, relative humidity is near 92%, and the dew point is near 40 degrees. In the central part of the state, relative humidity is near 96%, and the dew point is near 45 degrees. In the south, relative humidity is near 77%, and the dew point is near 48 degrees. Winds are calm north, where conditions are favorable for spraying. Winds are from the east at 10 mph central, where conditions are favorable for spraying. Winds are from the northeast at 6 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 270/ degrees at Northerly Island. The lowest temperature is 40 degrees at Rochelle and Aurora.

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 BROWN County,IL

455 AM CDT Thu Apr 18 2024 DAY ONE Today and tonight. Thunderstorms are likely today across most of the area. Some of the thunderstorms this afternoon and early evening may be severe, capable of producing damaging winds, large hail, and a tornado or two. DAYS TWO THROUGH SEVEN Friday through Wednesday. There is a chance of thunderstorms over parts of the area on Monday night and Tuesday. SPOTTER INFORMATION STATEMENT Spotter activation will likely be needed.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For BROWN County, IL
324 AM CDT Thu Apr 18 2024 TODAY
A chance of showers and thunderstorms this morning, then showers with thunderstorms likely this afternoon. Locally heavy rainfall possible this afternoon. Highs in the lower 70s. East winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
TONIGHT
Mostly cloudy with thunderstorms likely with a chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the upper 30s. North winds 15 to 20 mph with gusts up to 35 mph, becoming northwest around 10 mph with gusts up to 25 mph after midnight. Chance of rain 70 percent.
FRIDAY
Mostly sunny in the morning, then becoming mostly cloudy. Cooler with highs in the upper 50s. North winds 5 to 10 mph.
FRIDAY NIGHT
Mostly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph.
SATURDAY
Mostly sunny. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 30s.
SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the upper 50s. Lows in the upper 30s.
MONDAY
Mostly sunny. Highs in the mid 60s.
MONDAY NIGHT
Mostly cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Not as cool with lows in the lower 50s. Chance of rain 50 percent.
TUESDAY
Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. Chance of rain 50 percent.
TUESDAY NIGHT
Mostly clear. A slight chance of showers in the evening. Lows in the lower 40s. Chance of rain 20 percent.
WEDNESDAY
Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 60s. Chance of rain 20 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 APR 23-27 APR 25-MAY 1 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
Thursday April 18, 2024 the 109th Day of Year --------------------------------------------------- SUN Declination 11.360000 Distance 0.999719 AU Rise 07:15 EDT Set 20:42 EDT Transit Meridian 13:58 EDT Civil Twilight Begins 06:48 EDT Ends 21:09 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 18TH HISTORIC WEATHER EVENTS ...1880... More than two dozen tornadoes were reported from Kansas and Arkansas to Wisconsin and Michigan. More than 100 persons were killed, including 65 persons at Marshfield MO. (David Ludlum) ...1906... A severe earthquake shook San Francisco, and unusual easterly winds spread fires destroying the city. (David Ludlum) ...1944... California experienced its worst hailstorm of record. Damage mounted to two million dollars as two consecutive storms devastated the Sacramento Valley destroying the fruit crop. (The Weather Channel) ...1957... A dust devil near Dracut MA lifted a small child three feet into the air, and rolled two other children on the ground. Fortunately none of the three were hurt. The dust devil was accompanied by a loud whistling sound as it moved westward. (The Weather Channel) ...1970... Rapid City SD received a record 22 inches of snow in 24 hours. (17th-18th) (The Weather Channel)

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