dan'l,

which version of forecast are you using?

if you have made any modifications to skins/forecast/skin.conf, please post 
the skin.conf file.

have you made modifications to skins/forecast/forecast_table.inc or 
skins/forecast/index.html.tmpl?

did the forecast skin have any errors before you made modifications?

the variable num_periods is used by forecast_table.inc to determine how 
many periods of forecast should be displayed (some forecasts are one-hour 
periods, others are 4- or 6- hour periods, thus the generic 'num_periods')

if you do not specify num_periods, forecast_table uses a default value of 
40.

to change that value, specify it in weewx.conf like this:

[Extras]
    [[forecast_table_settings]]
        source = NWS
        num_periods = 120

note that you should also specify the source, since the default is WU and 
you're pulling NWS forecasts.

the complete list of options is at the top of forecast_table.inc

forecast_table.inc is a rather complicated file, since it makes extensive 
use of cheetah constructs, html, and css.  my intent is that you can simply 
set variables then include forecast_table.inc if you want a forecast 
table.  with this approach you can make one table of WU forecast, another 
of NWS forecast, just by including forecast_table.inc multiple times.  (the 
forecast table stresses weewx's cheetah system more than most other reports)

if you have to modify forecast_table.inc, i would like to know how/why so i 
can make it easier to use.

if you want to embed portions of a forecast into a template, then use the 
$forecast variables directly.

m

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