Forecast Details for Arena, WI

Recent Locations: Arena, WI  
Current Alerts for Arena, WI: Freeze Warning
Overnight: Mostly cloudy, with a low around 31. Southeast wind around 5 mph.
Thursday: Sunny, with a high near 60. Southeast wind 5 to 10 mph.
Thursday Night: Mostly clear, with a low around 40. Southeast wind around 10 mph.
Friday: Showers, with thunderstorms also possible after 4pm. High near 58. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 52. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Windy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday: Showers and possibly a thunderstorm. High near 70. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 56. Breezy. Chance of precipitation is 90%.
Monday: A 50 percent chance of showers. Partly sunny, with a high near 64. Breezy.
Monday Night: Partly cloudy, with a low around 46.
Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Tuesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Wednesday: A 30 percent chance of showers. Mostly sunny, with a high near 73.

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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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Today's 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

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Cirrostratus Clouds Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds

Weather Topic: What is Condensation?

Home - Education - Precipitation - Condensation

Condensation Next Topic: Contrails

Condensation is the process which creates clouds, and therefore it is a crucial process in the water cycle. Condensation is the change of matter from a state of gas into a state of liquid, and it happens because water molecules release heat into the atmosphere and become organized into a more closely packed structure, what we might see as water droplets.

Water is always present in the air around us as a vapor, but it's too small for us to see. When water undergoes the process of condensation it becomes organized into visible water droplets. You've probably seen condensation happen before on the surface of a cold drink!

Next Topic: Contrails