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Hurricane Helene rain map for Illinois. ... likely to strengthen as it moves over the Gulf of Mexico over the next day. By Thursday night, the storm is slated to make landfall along the northern ...
The medium range forecast products include surface pressure patterns, circulation centers and fronts, daily maximum and minimum temperatures and anomalies, probability of precipitation in 12-hour increments, total 5-day precipitation accumulation for the next five days, and 500 hPa (mb) height forecasts for days 3–7. In addition, a narrative ...
The Old Farmer's Almanac has released its 2024-2025 Winter Weather Forecast, and while the national outlook calls for a "calmer, gentler" season, the prediction for Illinois — especially Peoria ...
As for what a typical summer weather day is in Illinois, the University of Illinois state climatologist office says highs are usually in the 80s with lows in the 60s. Days above 90 degrees are ...
Physically-based models simulate the underlying physical processes involved in flood generation and propagation, such as precipitation, infiltration, runoff, and routing. These models are typically more stable and reliable due to their inherent representation of the physics, making them less susceptible to forecast errors in comparison to data ...
Average yearly precipitation for Illinois varies from 48 inches or 1,220 mm at the southern tip to 35 inches or 890 mm in the northern portion of the state. Normal annual snowfall exceeds 38 inches or 0.97 m in Chicago, while the southern portion of the state normally receives less than 14 inches or 0.36 m. [1]
The July 2023 Chicago Area Flood was caused by a heavy rainfall that occurred on July 2, 2023, in the Chicago Metropolitan Area of northeastern Illinois.Rainfall up to 9.0 inches (23 cm) occurred over an 18-hour period; the majority occurred from early in the morning to late in the afternoon. [1]
As is often the case during a drenching rain event, too much rain may pour down too fast for the ground or storm drainage systems to handle. Motorists venturing along Interstates 25, 29, 70 and 80 ...