Mason 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 MASON County
Issued at 500 PM CDT WED MAY 08 2024

CENTRAL ILLINOIS CITY SKY/WX TMP DP RH WIND PRES REMARKS PONTIAC PTSUNNY 80 45 28 SE15 29.66F TC 27 BLOOMINGTON PTSUNNY 74 52 46 SE17 29.66F TC 23 DECATUR LGT RAIN 69 61 75 E10 29.61F TC 21 PEORIA MOSUNNY 80 47 31 SE13G20 29.62F TC 27 LACON* MOSUNNY 79 47 31 SE10G20 29.63F TC 26 LINCOLN* CLOUDY 73 56 54 SE10G16 29.63R TC 23 SPRINGFIELD NOT AVBL TAYLORVILLE CLOUDY 69 58 68 E12 29.58F THUNDER TC 20

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 500pm CDT, Wednesday May 08, 2024

Across Illinois...temperatures are near 80 degrees north, near 69 degrees central, and near 73 degrees south. Current sky conditions are mostly sunny north, light rain central, and partly sunny south. In the north, relative humidity is near 30%, and the dew point is near 46 degrees. In the central part of the state, relative humidity is near 75%, and the dew point is near 61 degrees. In the south, relative humidity is near 81%, and the dew point is near 67 degrees. The livestock heat stress category is no stress north, no stress central, and no stress south. Winds are from the southeast at 8 mph north, where conditions are favorable for spraying. Winds are from the east at 10 mph central, where conditions are not favorable for spraying due to light rain. Winds are from the southeast at 6 mph south, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 82 degrees at Metropolis. The lowest temperature is 10/ degrees at Northerly Island.

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 MASON County,IL

252 PM CDT Wed May 8 2024 DAY ONE Tonight. There is a marginal to slight risk (level 1 to 2 of 5) of severe weather for much of central IL this afternoon and evening. Isolated damaging wind gusts and hail are the main risks, although an isolated tornado cannot be ruled out south of I-70. DAYS TWO THROUGH SEVEN Thursday through Tuesday. Flooding on portions of the Illinois River will continue for several days. SPOTTER INFORMATION STATEMENT Spotter activation may be needed from until to 11 pm.
NWS Severe Weather Map , Convective Outlook

7-Day Forecast For MASON County, IL
436 PM CDT Wed May 8 2024 TONIGHT
Mostly cloudy. Showers and thunderstorms likely, mainly this evening. Lows in the upper 50s. Southeast winds 10 to 15 mph, becoming south after midnight. Chance of rain 60 percent.
THURSDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Much cooler with highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Cooler with lows in the upper 40s. North winds 10 to 15 mph. Chance of rain 20 percent.
FRIDAY
Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 50s. West winds 10 to 15 mph.
SATURDAY AND SATURDAY NIGHT
Mostly clear. Highs in the lower 70s. Lows in the upper 40s.
SUNDAY
Sunny. Highs in the upper 70s.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
MONDAY AND MONDAY NIGHT
Mostly cloudy. A chance of showers. Highs in the upper 70s. Lows in the upper 50s. Chance of rain 40 percent.
TUESDAY AND TUESDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent.
WEDNESDAY
Mostly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 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 14-18 MAY 16-22 JUN JUN-AUG ----------- ----------- -------- --------- Temperature: Above Above Precipitation: Above Above .... 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
Wednesday May 08, 2024 the 129th Day of Year --------------------------------------------------- SUN Declination 17.500000 Distance 0.999717 AU Rise 06:50 EDT Set 21:01 EDT Transit Meridian 13:55 EDT Civil Twilight Begins 06:21 EDT Ends 21:30 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

///////////////////////////////////////////////////////////////////// MAY 8TH...HISTORIC WEATHER EVENTS ...1784... A deadly hailstorm in South Carolina hit the town of Winnsborough. The hailstones, measuring as much as nine inches in circumference, killed several persons, and a great number of sheep, lambs and birds. (David Ludlum) ...1803... A freak spring storm produced heavy snow from southern Indiana to New England. The storm made sleighing possible in Massachusetts, but also ruined shade trees in Philadelphia. (David Ludlum) ...1895... A light rainshower in Winnipeg dropped a mixture of rain and black ants on the city. Most of the black ants were the size of huge wasps. ...1981... The Dallas/Fort Worth area experienced its worst hailstorm of record as baseball to grapefruit size hail, accompanied by 100 mph winds, caused nearly 200 million dollars damage. Hail accumulated eight inches deep at Cedar Hill TX. (The Weather Channel) ... 2003... A tornado (F0) occurred in Breckinridge County along a one mile long path. Numerous adult trees were uprooted in the Hoosier National Forest by an F1 tornado in Perry County. (NWS Louisville)

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