This script uses the DarkSky API and the Pushover App to get instant notifications in your phone on precipitation (i.e. rain or snow) in a predefined location. For more information, visit www.movingelectrons.net

WeatherAlert.py

#!/usr/lib/python2.7

import json
import urllib
import httplib #used by pushover

# contants:
APIkey = 'XXXXXXXXXXXXX' #Enter yours here


lat = XXXXXX #Enter location's latitude here
lon = XXXXXX # Enter location's longitude here


def pushover(msg):

    conn = httplib.HTTPSConnection("api.pushover.net:443")
    conn.request("POST", "/1/messages.json",
        urllib.urlencode({
            "token": "XXXXXXXXXXXXX",
            "user": "XXXXXXXXXXXXX",
            "message": msg,
    }), { "Content-type": "application/x-www-form-urlencoded" })
    conn.getresponse()


# Main Program
# ------------

dsURL = 'https://api.forecast.io/forecast/%s/%s,%s' % (APIkey, lat, lon)

try:
	print 'Conneting to Dark Sky ....'
	jsonString = urllib.urlopen(dsURL).read()
	weather = json.loads(jsonString)
except (IOError, ValueError):
	print 'connection failure to %s' % dsURL
	exit()

print 'current conditions:\n'
print weather['currently']


dataNextDay = weather['hourly']['data'][24] #Gets conditions 24 hrs from now.
print dataNextDay['precipProbability']

pIntensity = ''
pProb = '0'

if dataNextDay['precipProbability'] >= 0.55: #modify this to be different from 55%

	pProb = dataNextDay['precipProbability'] * 100

	if dataNextDay['precipIntensity'] >= 0 and 	dataNextDay['precipIntensity'] < 0.002: pIntensity = 'Extremely Light'
	if dataNextDay['precipIntensity'] >= 0.002 and 	dataNextDay['precipIntensity'] < 0.017: pIntensity = 'Very Light'
	if dataNextDay['precipIntensity'] >= 0.017 and 	dataNextDay['precipIntensity'] < 0.1: pIntensity = 'Light'
	if dataNextDay['precipIntensity'] >= 0.1 and 	dataNextDay['precipIntensity'] < 0.4: pIntensity = 'Moderate'
	if dataNextDay['precipIntensity'] >= 0.4: pIntensity = 'Heavy'

	body = "Precipitation alert at Home\n(24 hrs from now)\n\nProbability: %s%% \nIntensity: %s" % (pProb, pIntensity)
	
	print body
	pushover(body)

else:
	print 'Precipitation probability below threshold'