Different areas of the Yahoo! Weather site are updated at various times, depending on the time zone and location of the area. We can, however, provide you with general guidelines as to when most weather information is updated.
Current weather conditions are updated 24 hours a day.
Text forecasts are updated nine times a day.
Severe weather alerts, because of their nature, can be issued at any time.
Contour images for high/low temperatures are updated four times a day.
Outlook images are updated twice a day.
Radar images are updated every 15 minutes.