Here is a collection of some of my favourite links for weather forecasts and computer weather models.
Forecasts - Current Conditions - Discussions
Winnipeg
Brandon
Dauphin
Portage la Prairie
Victoria Beach
Text Forecast - Southern Manitoba
Text Forecast Manitoba - 3 to 5 days
Significant Weather Discussion - Canadian Prairies
Canadian Meteorological Discussion
Technical Discussion - Grand Forks - ND
Forecast for Grand Forks - ND
30 Day Temperature Outlook - EC
90 Day Precipitation Outlook - EC
Old Farmers Almanac Outlook
Tropical Weather
Models / Satellite / Radar Imagery
ETA Surface Pressure and Precipitation - 48 Hours
NGM Surface Pressure and Precipitation - 48 Hours
AVN Surface Pressure and Precipitation - 72 Hours
MRF Surface Pressure and Precipitation - 10 Days
4 Day Model Forecast for Prairies
GFS 06Z Model Run - 15 Days
GFS 12Z Model Run - 15 Days
GFS 18Z Model Run - 15 Days
GFS 00Z Model Run - 15 Days
Short Term Climate Outlook Temperature - 14 Days
Short Term Climate Outlook Precipitation - 14 Days
Short Term Climate Outlook Soil Moisture - 14 Days
GEOS 1Km Resolution Satellite Image Southern MB
EC Visible Satellite Image - Western Canada
EC Infrared Satellite Image - Western Canada
Woodlands Radar Image - Eastern Manitoba
Foxwarren Radar Image - Western Manitoba
North Dakota Radar Image