National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Current Conditions

Dane County

Zone Forecast

  • Tonight Partly cloudy in the evening...then mostly cloudy with chance of light showers and thunderstorms in the late evening and early morning. Cloudy with showers and thunderstorms early in the morning. Patchy fog after midnight. Lows in the mid 60s. Southeast winds up to 5 mph. Chance of precipitation 60 percent.
  • Thursday Mostly cloudy. Chance of light showers and thunderstorms in the morning...then showers and thunderstorms likely in the late morning and early afternoon. Chance of showers and thunderstorms late in the afternoon. Highs in the mid 80s. South winds 5 to 15 mph. Chance of precipitation 60 percent.
  • Thursday Night Mostly cloudy. Showers and thunderstorms likely through around midnight...then chance of light showers and thunderstorms after midnight. Lows around 70. South winds around 5 mph. Chance of precipitation 70 percent.
  • Friday Very warm and humid. Partly sunny with a 30 percent chance of light showers and thunderstorms. Highs around 90. Southwest winds 5 to 10 mph shifting to the west in the afternoon. Highest heat index readings 97 to 102 in the late morning and afternoon.
  • Friday Night Partly cloudy through around midnight then becoming mostly cloudy. A 30 percent chance of light showers and thunderstorms. Lows in the upper 60s. Northwest winds up to 5 mph shifting to the northeast around 5 mph after midnight.
  • Saturday Partly sunny with a 40 percent chance of light showers and thunderstorms. Highs in the mid 80s.
  • Saturday Night Partly cloudy through around midnight then becoming mostly cloudy. A 40 percent chance of light showers and thunderstorms. Lows in the upper 60s.
  • Sunday Partly sunny with a 30 percent chance of light showers and thunderstorms. Highs in the upper 80s.
  • Sunday Night Partly cloudy with a 20 percent chance of light showers and thunderstorms. Lows in the upper 60s.
  • Monday Partly sunny with a 30 percent chance of light showers and thunderstorms. Highs in the mid 80s.
  • Monday Night Partly cloudy with a 30 percent chance of light showers and thunderstorms. Lows in the mid 60s.
  • Tuesday Partly sunny with a 40 percent chance of light showers and thunderstorms. Highs in the lower 80s.
  • Tuesday Night Mostly cloudy with a 50 percent chance of light showers and thunderstorms. Lows in the mid 60s.
  • Wednesday Mostly cloudy with a 50 percent chance of light showers and thunderstorms. Highs in the mid 80s.