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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Hazardous Weather Conditions

Current Conditions

Northwestern San Juan Mountains

Zone Forecast

  • Tonight Mostly cloudy with scattered showers and thunderstorms. Lows 35 to 45. Gusts up to 20 mph in the evening. Chance of precipitation 30 percent.
  • Thursday Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of showers and thunderstorms. Highs in the 60s. Northwest winds 10 to 15 mph in the afternoon.
  • Thursday Night Mostly cloudy with a 40 percent chance of showers and thunderstorms. Lows 35 to 45.
  • Friday Partly sunny in the morning then becoming mostly cloudy. A 40 percent chance of showers and thunderstorms. Highs 55 to 65.
  • Friday Night Mostly cloudy with a 20 percent chance of showers and thunderstorms in the evening...then partly cloudy after midnight. Lows 35 to 45.
  • Saturday Mostly sunny in the morning...then partly sunny with a 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 60s.
  • Saturday Night Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the 40s.
  • Sunday Mostly sunny in the morning then becoming partly sunny. Highs in the 60s.
  • Sunday Night Mostly cloudy in the evening then becoming partly cloudy. Lows 35 to 45.
  • Monday Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the 60s.
  • Monday Night Partly cloudy. Lows 35 to 45.
  • Tuesday Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the 60s.
  • Tuesday Night And Wednesday Partly cloudy. Lows 35 to 45. Highs in the 60s.