GKrellM plugin which shows weather info from the US National Weather
Service

Features
- Choose the location nearest to you by 4-letter METAR station
  identifier code. (http://www.nws.noaa.gov/oso/siteloc.shtml)
- Monitor temperature, dew point, pressure, relative humidity, sky
  condition, wind direction and speed
- Display using imperial units (degrees Fareheight, inches of
  Mercury, miles per hour)
- Display using metric units (degrees Celsius, millimeters of
  Mercury, kilometers per hour)
- Display pressure in kPa, hPa and mmHg
- Display wind speeds in kmph, mps and beaufort scale
