I am stupid.

templates/speech/kallen_morning_briefing.yaml

@@ -90,6 +90,7 @@
           <s>School today starts at {{ input_datetime_read('input_datetime.kallen_school_day_start') }}</s>
           {% if is_state('binary_sensor.raining_bayesian','on') %}
             It appears to be raining right now, so you might get wet on your way to school.
+          {% endif %}
           {% if is_state('input_boolean.kallen_alternate_pickup','on') %}
             Today, you will be picked up from school by {{ states('input_text.kallen_pickup') }}.
           {% elif is_state('input_boolean.work_today','off') %}