Image sources:

Ice: https://openclipart.org/detail/26214/icicles-by-anonymous
Thunderstorm: https://openclipart.org/detail/167269/thundercloud-by-halattas
Tornado: https://openclipart.org/detail/104887/tornado-by-laabadon
Snow: https://openclipart.org/detail/65497/winter-by-laobc (trimmed by justdave)
Flood: https://openclipart.org/detail/93091/water-by-photothailand
Wind: https://openclipart.org/detail/170683/weather-icon---windy-by-gnokii-170683
Blizzard: https://www.nws.noaa.gov/weather/images/fcicons/blowingsnow.png (upscaled and traced by justdave and combined with "Snow") - URL no longer works
Fire: https://openclipart.org/detail/2242/fire-icon-by-zeimusu
Wave: https://openclipart.org/detail/3166/crashing-wave-by-johnny_automatic

Background buttons: https://openclipart.org/detail/75115/glossy-pill-buttons-by-inky2010
