getting some ui and index route going

weather/weather.py

@@ -0,0 +1,18 @@
+from flask import (
+    Blueprint, flash, g, render_template, request, url_for
+)
+from werkzeug.exceptions import abort
+
+from weather.db import get_db
+
+bp = Blueprint('weather', __name__)
+
+@bp.route('/')
+def index():
+    db = get_db()
+    periods = db.execute(
+        'SELECT *'
+        '  FROM `periods`'
+        '  ORDER BY `id` DESC'
+    ).fetchall()
+    return render_template('weather/index.html', periods=periods)