Cass Lake, MN Weather from Weather Underground 02/17/2019 04:17 AM ~~~Source~~~ Current Conditions : 11.4F / -11.4C, Overcast - 3:17 AM CST Feb. 17 Temperature: 11.4°F / -11.4°C | Humidity: 75% | Pressure: 30.06in / 1018hPa (Rising) | Conditions: Overcast | Wind Direction: NE | Wind Speed: 2.6mph / 4.2km/h 02/17/2019 03:51 AM ~~~Source~~~ Today as of Feb. 17 2:51 AM CST Today - Mostly cloudy. Highs 19 to 21. Northeast wind around 10 mph. 02/17/2019 03:51 AM ~~~Source~~~ Tonight as of Feb. 17 2:51 AM CST Tonight - Mostly cloudy. Lows 2 below to 4 below zero. North wind around 5 mph. Wind chill values to 15 below after midnight. 02/17/2019 03:51 AM ~~~Source~~~ Washingtons Birthday as of Feb. 17 2:51 AM CST Washingtons Birthday - Partly sunny. Highs 12 to 14. Northwest wind around 5 mph. Wind chill values to 15 below in the morning.