UK Met Office
Quite simply outstanding...excellent source of information, resources, packs and ideas for all things weather
http://www.met-office.gov.uk/

Dans Wild Wild Weather Page
An excellent source of information pitched at kids from 6 upwards. Some good explanations and diagrams.
http://www.wildwildweather.com/

UM Weather
Hundreds of links, software, weather maps, weather cams, forecasts, information, graphics. What more could you want? A great portal site.
http://cirrus.sprl.umich.edu/wxnet/

Weather Dude
A brilliant site for kids. Explanations on weather, what it is, what causes it. Includes weather songs, activities and ideas for teachers/parents and an online 'book'.
http://www.wxdude.com/

Weather Wizkids
Very well set out site for kids. Contains some excellent information and resources.
http://www.weatherwizkids.com/

BBC Weather Centre
A nice little site. If you want a weather forecast in the UK or across the world. Information on how they gather the data and predict the weather. Some questions from kids answered by the experts.
http://www.bbc.co.uk/weather

USA Today
A good selection of weather material
http://www.usatoday.com/weather/wfront.htm

Weather Page for kids, parents & teachers
A very good selection of ideas and actitivies for kids.
http://www.srh.noaa.gov/tsa/weather_kids.html

Weather Science Hotlist
Good set of links. From here you can jump to learn more about every aspect of the weather. Includes activities and resources.
http://sln.fi.edu/tfi/hotlists/weather.html

NOAA Weather Page
A good selection of links tending towards the academic
http://www.noaa.gov/wx.html

Understanding Weather
A set of experiments to illustrate weather principles
http://www.galaxy.net/~k12/weather/

Weather.com
If you want to know the weather anywhere in the world then this is the place to come. Has news on severe weather across the world
http://www.weather.com/

UKWeatherworld
A useful forum based site with some UK based information and forecasts
http://www.ukweatherworld.co.uk/

Weather Online
Some useful information and links, and not just for the UK
http://www.weatheronline.co.uk/

Reading University Met. Department
A few links and some information on weather research
http://www.met.reading.ac.uk/Weather/

Collins Gem - Weather
Harper Collins Publishers, PO Box, Glasgow, Go 4NB, ISBN 0-00- 472272-8

Teach Yourself - Weather
Ralph Hardy, Hodder & Stoughton, ISBN 0-340-62707-7

A colour guide to clouds
Richard Scorer & Harry Wexler, Pergamon Press, ISBN 0-08-010374-X

Weather Station
A good activity pack for cub age.
John Hulbert, Henderson Publishing Ltd, ISBN 1-86208-220-0

Meteorlogical Glossary
A good activity pack for cub age.
HMSO London

The world weather guide
A good activity pack for cub age.
E.A.Pearce & C.G. Smith, Hutchinson

Images in weather forecasting
A good activity pack for cub age.
Cambridge university press

Weather and its work
A good activity pack for cub age.
David Lambert & Ralph Hardy, Orbis Publishing Ltd

Basic Meterogology - a physical outline
A good activity pack for cub age.
Robin Mc Ilveen, Van Nostrand Reinhold

The marine observers handbook
A good activity pack for cub age.
HMSO

Weather Lore
A good activity pack for cub age.
Richard Inwards, SR Publishers

Handbook of Aviation Meterolgoy
A good activity pack for cub age.
HMSO

Weather
Monthly magazine of the Royal Meterogological Society

Weatherwise
Monthly magazine of the American Meterogological Society

The Royal Meterogolical Society
Has many educational leaflets and pamphlets
The Royal Meteorological Society, 104 Oxford Road, Reading, Berkshire, RG1 7LJ

The UK Met. Office Education Service
Provides a range of teaching and reference material
The UK Met. Office Education Service, Johnson House, London Road, Bracknell, Berkshire, RG12 2SY

The American Meteorological Society
Can provide some leaflets and information
The American Meteorogological Society, 45 Beacon Street, Boston MA, 02108 - 3693