Barometric Pressure in Monticello, United States 
1019.4 hPa
4.1 ℃
82%
5.14 m/s
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The average pressure in Monticello, Illinois, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Monticello is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Monticello hour by hour across the next 6 hourly readings.
Monticello, Illinois, has changeable weather as air masses move across the region. Low pressure often brings clouds, rain, or snow. High pressure usually brings calmer, clearer skies. Passing fronts can quickly change the wind and temperature, sometimes bringing storms.
The town is surrounded by broad, mostly flat farmland in central Illinois. This open land offers little shelter from cold air moving south or warm, humid air moving north. Because no nearby ocean or high mountains block these air masses, weather systems can cross the area with few barriers.
Winters are cold, and snow or icy conditions can occur. Spring brings warming days, rain, and quick shifts between mild and chilly weather. Summers are often hot and humid, with thunderstorms at times. Fall usually cools down, but temperatures can vary from day to day.