Maps show heat wave forecast across the U.S. Here's what to know.
Maps show heat wave forecast across the U.S. Here's what to know.

The National Weather Service called the warm and above-average temperatures coming in behind the system “the first significant heat wave this season.”
Read the full article on CBS US
Truth Analysis
Analysis Summary:
The article appears mostly accurate, relying on the National Weather Service for its primary claim about a significant heat wave. The provided sources generally support the existence of heat waves and the role of the National Weather Service in forecasting them. There is minimal discernible bias.
Detailed Analysis:
- Claim:** "The National Weather Service called the warm and above-average temperatures coming in behind the system "the first significant heat wave this season."
- Verification Source #4: The National Weather Service website ([www.weather.gov](www.weather.gov)) is the official source for weather information and forecasts, lending credibility to this claim. The website mentions "Significant Heat in the Southwest" which supports the claim of a heat wave.
- Verification Source #3: The Washington Post article ([www.washingtonpost.com](www.washingtonpost.com)) also discusses a heat wave forecast, supporting the general claim.
- Verification Source #1, #2, and #5: These sources do not directly confirm this specific claim about the "first significant heat wave this season," but they do discuss heatwaves and drought conditions, providing context.
Supporting Evidence/Contradictions:
- Verification Source #4: The National Weather Service website ([www.weather.gov](www.weather.gov)) supports the claim of significant heat.
- Verification Source #3: The Washington Post article ([www.washingtonpost.com](www.washingtonpost.com)) supports the claim of a heat wave forecast.
- Verification Source #1: NOAA Physical Sciences Laboratory provides information on marine heatwaves and historical MHW skill maps.
- Verification Source #2: The U.S. Drought Portal provides real-time drought data and forecasts.
- Verification Source #5: climate.gov discusses climate outlooks, including temperature and precipitation patterns.