La Crosse Technology WS-9055TWC Instruction Manual page 12

weather will be rainy).
The weather icons change when the unit
detects a change in air pressure. The icons
change in order, from "sunny" to "partly
sunny" to "cloudy" or the reverse. It will
not change from "sunny" directly to
Sunny—indicates that
the weather is expected
to improve (not that the
weather will be sunny).
Sun with Clouds—
indicates that the
weather is expected to
be fair (not that the
weather will be sunny
with clouds).
Clouds with Rain—
indicates that the
weather is expected to
get worse (not that the
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