Weather Alerts for Illinois

Recent Locations: Chicago, IL  
Current Alerts for Chicago, IL: Lakeshore Flood Advisory

1. Flood Warning for: Brown; Cass; Morgan; Schuyler

2. Flood Warning for: Cass; Fulton; Mason

3. Flood Warning for: Henry; Rock Island; Whiteside

4. Flood Warning for: Peoria; Tazewell; Woodford

5. Flood Warning for: Stephenson

6. Flood Warning for: Whiteside

7. Flood Warning for: Henry; Rock Island

8. Flood Warning for: Jackson

9. Flood Warning for: Alexander; Pulaski

10. Flood Warning for: Alexander

11. Flood Warning for: Alexander; Jackson; Union

12. Flood Warning for: Kane; McHenry

13. Flood Warning for: Winnebago

14. Flood Warning for: Lake

15. Flood Warning for: Winnebago

16. Flood Warning for: Ogle

17. Flood Warning for: Winnebago

18. Flood Warning for: Winnebago

19. Lakeshore Flood Advisory for: Cook; Lake

20. Flood Warning for: Adams

21. Flood Warning for: Adams

22. Flood Warning for: Adams

23. Flood Warning for: Adams

24. Flood Warning for: Calhoun

25. Flood Warning for: Calhoun

26. Flood Warning for: Jackson; Randolph

27. Flood Warning for: Jersey

28. Flood Warning for: Madison

29. Flood Warning for: Pike

30. Flood Warning for: Pike

31. Flood Warning for: Pike

32. Flood Warning for: St. Clair

33. Flood Warning for: Carroll; Whiteside

34. Flood Warning for: Hancock

35. Flood Warning for: Hancock

36. Flood Warning for: Hancock; Henderson

37. Flood Warning for: Henderson

38. Flood Warning for: Henderson; Mercer

39. Flood Warning for: Jo Daviess

40. Flood Warning for: Jo Daviess

41. Flood Warning for: Mercer

42. Flood Warning for: Mercer; Rock Island

43. Flood Warning for: Rock Island

44. Flood Warning for: Rock Island

45. Flood Warning for: Rock Island

46. Flood Warning for: Rock Island; Whiteside

47. Flood Warning for: Carroll; Jo Daviess

48. Flood Warning for: Calhoun; Greene; Jersey

49. Flood Warning for: Morgan; Pike

50. Flood Warning for: Pike; Scott

51. Flood Warning for: Brown

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Todays National Weather Map

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

Tomorrows National Weather Map

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds ); brown indicates very little moisture present; black indicates no moisture.

North American Water Vapor Map

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Weather Topic: What is Sleet?

Home - Education - Precipitation - Sleet

sleet Next Topic: Snow

Sleet is a form of precipitation in which small ice pellets are the primary components. These ice pellets are smaller and more translucent than hailstones, and harder than graupel. Sleet is caused by specific atmospheric conditions and therefore typically doesn't last for extended periods of time.

The condition which leads to sleet formation requires a warmer body of air to be wedged in between two sub-freezing bodies of air. When snow falls through a warmer layer of air it melts, and as it falls through the next sub-freezing body of air it freezes again, forming ice pellets known as sleet. In some cases, water droplets don't have time to freeze before reaching the surface and the result is freezing rain.

Next Topic: Snow

Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

cirrus clouds Next Topic: Cirrocumulus Clouds

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Cirrocumulus Clouds