Weather Alerts for Illinois

Your Recent Locations:  Chicago, IL  

1. Flood Warning for: Hancock

2. Flood Warning for: Hancock; Henderson

3. Flood Warning for: Henderson

4. Flood Warning for: Henderson; Mercer

5. Flood Warning for: Mercer

6. Flood Warning for: Mercer; Rock Island

7. Flood Warning for: Rock Island

8. Flood Warning for: Rock Island

9. Flood Warning for: Jo Daviess

10. Flood Warning for: Jo Daviess

11. Flood Warning for: Carroll; Whiteside

12. Flood Warning for: Rock Island

13. Flood Warning for: Rock Island; Whiteside

14. Flood Warning for: Massac; Pulaski

15. Flood Watch for: Hancock

16. Flood Watch for: Carroll; Jo Daviess

17. Flood Warning for: Alexander; Pulaski

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

19. Flood Warning for: Cass; Fulton; Mason

20. Flood Warning for: Alexander; Jackson; Union

21. Flood Warning for: Alexander

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: Adams

33. Flood Warning for: Wabash

34. Flood Warning for: Wabash

35. Flood Warning for: Clark; Crawford

36. Flood Warning for: Crawford; Lawrence

37. Flood Warning for: Crawford; Lawrence

38. Flood Warning for: Calhoun; Greene; Jersey

39. Flood Warning for: Pike; Scott

40. Flood Warning for: Morgan; Pike

41. Flood Warning for: Brown

42. Flood Warning for: Clinton

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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

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Todays National Weather Map

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

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Weather Topic: What are Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

altostratus clouds Next Topic: Cumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cumulus Clouds

Weather Topic: What are Cumulonimbus Clouds?

Home - Education - Cloud Types - Cumulonimbus Clouds

cumulonimbus clouds Next Topic: Stratus Clouds

The final form taken by a growing cumulus cloud is the cumulonimbus cloud, which is very tall and dense. The tower of a cumulonimbus cloud can soar 23 km into the atmosphere, although most commonly they stop growing at an altitude of 6 km.

Even small cumulonimbus clouds appear very large in comparison to other cloud types. They can signal the approach of stormy weather, such as thunderstorms or blizzards.

Next Topic: Stratus Clouds