Forecast Details for Madison, WI

Recent Locations: Portland, ND Van Meter, IA Madison, WI

Overnight: Patchy fog after 2am. Patchy frost after 2am. Otherwise, mostly clear, with a low around 26. Calm wind.

Saturday: Patchy fog before 7am. Patchy frost before 7am. Otherwise, mostly sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

Saturday Night: Partly cloudy, with a low around 33. Southeast wind around 5 mph becoming west after midnight.

Sunday: Sunny, with a high near 52. West wind around 5 mph becoming calm in the afternoon.

Sunday Night: Partly cloudy, with a low around 35. Light southwest wind becoming south 5 to 10 mph in the evening.

Washington's Birthday: Mostly sunny, with a high near 59. Southwest wind 5 to 15 mph.

Monday Night: Partly cloudy, with a low around 39. Southwest wind around 5 mph becoming east after midnight.

Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 52. East wind 5 to 15 mph.

Tuesday Night: Rain likely, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

Wednesday: A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 54.

Wednesday Night: A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

Thursday: A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.

Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26.

Friday: A 30 percent chance of snow. Partly sunny, with a high near 37.

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

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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.

Weather Topic: What is Evaporation?

Home - Education - Precipitation - Evaporation

Next Topic: Fog

Evaporation is the process which returns water from the earth back to the atmosphere, and is another crucial process in the water cycle.

Evaporation is the transformation of liquid into gas, and it happens because molecules are excited by the application of energy and turn into vapor. In order for water to evaporate it has to be on the surface of a body of water.

Next Topic: Fog

Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain