diff --git a/modules/ilmatieteenlaitos/__init__.py b/modules/ilmatieteenlaitos/__init__.py
new file mode 100644
index 00000000..427fe8e6
--- /dev/null
+++ b/modules/ilmatieteenlaitos/__init__.py
@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015 Matthieu Weber
+#
+# This file is part of weboob.
+#
+# weboob is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# weboob is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with weboob. If not, see <http://www.gnu.org/licenses/>.
+
+
+from .module import IlmatieteenlaitosModule
+
+__all__ = ['IlmatieteenlaitosModule']
diff --git a/modules/ilmatieteenlaitos/browser.py b/modules/ilmatieteenlaitos/browser.py
new file mode 100644
index 00000000..55446235
--- /dev/null
+++ b/modules/ilmatieteenlaitos/browser.py
@@ -0,0 +1,43 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015 Matthieu Weber
+#
+# This file is part of weboob.
+#
+# weboob is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# weboob is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with weboob. If not, see <http://www.gnu.org/licenses/>.
+
+from weboob.browser.browsers import PagesBrowser
+from weboob.browser.url import URL
+from .pages import WeatherPage, SearchCitiesPage
+
+__all__ = ['IlmatieteenlaitosBrowser']
+
+
+class IlmatieteenlaitosBrowser(PagesBrowser):
+    BASEURL = 'http://ilmatieteenlaitos.fi'
+    cities = URL('/etusivu\?p_p_id=locationmenuportlet_WAR_fmiwwwweatherportlets&p_p_lifecycle=2&p_p_state=normal&'
+                 'p_p_mode=view&p_p_cacheability=cacheLevelFull&term=(?P<pattern>.*)', SearchCitiesPage)
+    weather_query = URL('/paikallissaa\?p_p_id=locationmenuportlet_WAR_fmiwwwweatherportlets&p_p_lifecycle=1&'
+                        'p_p_state=normal&p_p_mode=view&_locationmenuportlet_WAR_fmiwwwweatherportlets_action='
+                        'changelocation')
+    weather = URL('/saa/(?P<city_url>.*)', WeatherPage)
+
+    def iter_city_search(self, pattern):
+        return self.cities.go(pattern=pattern).iter_cities()
+
+    def iter_forecast(self, city):
+        return self.weather_query.go(data={"place": city.name, "forecast": "short"}).iter_forecast()
+
+    def get_current(self, city):
+        return self.weather_query.go(data={"place": city.name, "forecast": "short"}).get_current()
diff --git a/modules/ilmatieteenlaitos/favicon.png b/modules/ilmatieteenlaitos/favicon.png
new file mode 100644
index 00000000..12657872
Binary files /dev/null and b/modules/ilmatieteenlaitos/favicon.png differ
diff --git a/modules/ilmatieteenlaitos/module.py b/modules/ilmatieteenlaitos/module.py
new file mode 100644
index 00000000..9edb9224
--- /dev/null
+++ b/modules/ilmatieteenlaitos/module.py
@@ -0,0 +1,49 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015 Matthieu Weber
+#
+# This file is part of weboob.
+#
+# weboob is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# weboob is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with weboob. If not, see <http://www.gnu.org/licenses/>.
+
+
+from weboob.capabilities.weather import CapWeather, CityNotFound
+from weboob.tools.backend import Module
+from weboob.capabilities.base import find_object
+from .browser import IlmatieteenlaitosBrowser
+
+
+__all__ = ['IlmatieteenlaitosModule']
+
+
+class IlmatieteenlaitosModule(Module, CapWeather):
+    NAME = 'ilmatieteenlaitos'
+    MAINTAINER = u'Matthieu Weber'
+    EMAIL = 'mweber+weboob@free.fr'
+    VERSION = '1.1'
+    DESCRIPTION = 'Get forecasts from the Ilmatieteenlaitos.fi website'
+    LICENSE = 'AGPLv3+'
+    BROWSER = IlmatieteenlaitosBrowser
+
+    def get_current(self, city_id):
+        return self.browser.get_current(self.get_city(city_id))
+
+    def iter_forecast(self, city_id):
+        return self.browser.iter_forecast(self.get_city(city_id))
+
+    def iter_city_search(self, pattern):
+        return self.browser.iter_city_search(pattern)
+
+    def get_city(self, _id):
+        return find_object(self.iter_city_search(_id), id=_id, error=CityNotFound)
diff --git a/modules/ilmatieteenlaitos/pages.py b/modules/ilmatieteenlaitos/pages.py
new file mode 100644
index 00000000..bec4ff58
--- /dev/null
+++ b/modules/ilmatieteenlaitos/pages.py
@@ -0,0 +1,130 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015 Matthieu Weber
+#
+# This file is part of weboob.
+#
+# weboob is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# weboob is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with weboob. If not, see <http://www.gnu.org/licenses/>.
+
+from datetime import date
+from itertools import imap, ifilter
+
+from weboob.browser.pages import JsonPage, HTMLPage
+from weboob.browser.elements import ItemElement, ListElement, method
+from weboob.capabilities.weather import Forecast, Current, City, Temperature
+from weboob.browser.filters.json import Dict
+from weboob.browser.filters.standard import Filter, CleanText, CleanDecimal, Regexp, Format, Date
+
+
+class DictElement(ListElement):
+    def find_elements(self):
+        if self.item_xpath is not None:
+            for el in self.el:
+                yield el
+        else:
+            yield self.el
+
+
+class Id(Filter):
+    def filter(self, txt):
+        return txt.split(", ")[0]
+
+
+class SearchCitiesPage(JsonPage):
+    @method
+    class iter_cities(DictElement):
+        item_xpath = '.'
+        ignore_duplicate = True
+
+        class item(ItemElement):
+            klass = City
+
+            obj_id = Id(Dict('id'))
+            obj_name = Dict('value')
+
+
+class WeatherPage(HTMLPage):
+    @method
+    class iter_forecast(ListElement):
+        item_xpath = ('//div[contains(@class, "mid") and contains(@class, "local-weather-forecast")]//'
+                      'tr[@class="meteogram-dates"]/td')
+
+        class item(ItemElement):
+            klass = Forecast
+
+            obj_id = CleanText('.//span/@title')
+
+            def obj_date(self):
+                months = [u'tammikuuta', u'helmikuuta', u'maaliskuuta', u'huhtikuuta', u'toukokuuta', u'kesäkuuta',
+                          u'heinäkuuta', u'elokuuta', u'syyskuuta', u'lokakuuta', u'marraskuuta', u'joulukuuta']
+                d = CleanText('.//span/@title')(self).split()
+                return date(int(d[2]), months.index(d[1])+1, int(d[0].strip(".")))
+
+            def temperatures(self):
+                offset = int(CleanText('string(sum(./preceding-sibling::td/@colspan))')(self))
+                length = int(CleanText('@colspan')(self))
+                temps = CleanText('../../../tbody/tr[@class="meteogram-temperatures"]/td[position() > %d '
+                                  'and position() <= %d]/span' % (offset, offset+length))(self)
+                return [float(_.strip(u'\xb0')) for _ in temps.split()]
+
+            def obj_low(self):
+                return Temperature(min(self.temperatures()), u'C')
+
+            def obj_high(self):
+                return Temperature(max(self.temperatures()), u'C')
+
+            def obj_text(self):
+                offset = int(CleanText('string(sum(./preceding-sibling::td/@colspan))')(self))
+                length = int(CleanText('@colspan')(self))
+                hour_test = ('../../tr[@class="meteogram-times"]/td[position() > %d and position() <= %d '
+                             'and .//text() = "%%s"]' % (offset, offset+length))
+                hour_offset = 'string(count(%s/preceding-sibling::td)+1)' % (hour_test)
+                values = [
+                    '../../../tbody/tr[@class="meteogram-weather-symbols"]/td[position() = %d]/div/@title',
+                    '../../../tbody/tr[@class="meteogram-apparent-temperatures"]/td[position() = %d]/div/@title',
+                    '../../../tbody/tr[@class="meteogram-wind-symbols"]/td[position() = %d]/div/@title',
+                    '../../../tbody/tr[@class="meteogram-probabilities-of-precipitation"]/td[position() = %d]' +
+                    '/div/@title',
+                    '../../../tbody/tr[@class="meteogram-hourly-precipitation-values"]/td[position() = %d]/span/@title',
+                ]
+
+                def descriptive_text_for_hour(hour):
+                    hour_exists = CleanText(hour_test % hour)(self) == hour
+                    if hour_exists:
+                        offset = int(CleanText(hour_offset % hour)(self))
+
+                        def info_for_value(value):
+                            return CleanText(value % offset)(self).replace(u'edeltävän tunnin ', u'')
+                        return ("klo %s: " % hour) + ", ".join(ifilter(bool, imap(info_for_value, values)))
+
+                return u'\n' + u'\n'.join(ifilter(bool, imap(descriptive_text_for_hour, ["02", "14"])))
+
+    @method
+    class get_current(ItemElement):
+        klass = Current
+
+        obj_id = date.today()
+        obj_date = Date(Regexp(CleanText('//table[@class="observation-text"]//span[@class="time-stamp"]'),
+                               r'^(\d+\.\d+.\d+)'))
+        obj_text = Format(u'%s, %s, %s',
+                          CleanText(u'(//table[@class="observation-text"])//tr[2]/td[2]'),
+                          CleanText(u'(//table[@class="observation-text"])//tr[5]/td[1]'),
+                          CleanText(u'(//table[@class="observation-text"])//tr[4]/td[2]'))
+
+        def obj_temp(self):
+            path = u'//table[@class="observation-text"]//span[@class="parameter-name" and text() = "Lämpötila"]' + \
+                   u'/../span[@class="parameter-value"]'
+            temp = CleanDecimal(Regexp(CleanText(path), r'^([^ \xa0]+)'), replace_dots=True)(self)
+            unit = Regexp(CleanText(path), r'\xb0(\w)')(self)
+            return Temperature(float(temp), unit)
diff --git a/modules/ilmatieteenlaitos/test.py b/modules/ilmatieteenlaitos/test.py
new file mode 100644
index 00000000..1fc10252
--- /dev/null
+++ b/modules/ilmatieteenlaitos/test.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+
+# Copyright(C) 2015 Matthieu Weber
+#
+# This file is part of weboob.
+#
+# weboob is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# weboob is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with weboob. If not, see <http://www.gnu.org/licenses/>.
+
+
+from weboob.tools.test import BackendTest
+
+
+class IlmatieteenlaitosTest(BackendTest):
+    MODULE = 'ilmatieteenlaitos'
+
+    def test_ilmatieteenlaitos(self):
+        l = list(self.backend.iter_city_search('helsinki'))
+        self.assertTrue(len(l) > 0)
+
+        city = l[0]
+        current = self.backend.get_current(city.id)
+        self.assertTrue(current.temp.value > -50 and current.temp.value < 50)
+
+        forecasts = list(self.backend.iter_forecast(city.id))
+        self.assertTrue(len(forecasts) > 0)