Record warmth followed by frost threat: Record or near-record warm temperatures prevailed in Minnesota over October 10-12 this week, with many counties reporting afternoon temperatures in the 80s F, and some reporting 90s F. Over 70 climate stations reported setting new daily high maximum temperatures. Some of these records included: 90°F at both St Cloud and MSP on October 10 91°F at Wheaton and Lamberton on October 11 91°F at Austin and 90°F at Albert Lea on October 12th In addition, over 30 climate observers reported setting new daily records for warm overnight minimum temperatures, including a reading of 65°F on the 11th at MSP. Persistent southerly winds finally shifted to come from the northwester later in the day on October 12th, and this dropped the temperatures around the state by 15-20°F. In fact, frosts are in the forecast for most of the state for this coming Friday night into Saturday morning. Following the record-setting warm temperatures of October 10, 11, and 12, te...
Warm and Dry Start to October: Following the trend from September, through the first 8 days of October temperatures around Minnesota are averaging from 3°F to 6°F above normal. October 6 brought high temperatures in the 80s F to many areas in the state and included a reading of 88°F at Marshall (Lyon County). In the dry air of October, frosts have occurred in 18 northern and central counties, with many observers reporting low temperatures in the 20s F. Very dry air has been dominant in many areas of Minnesota, especially western counties where relative humidity values have been as low as 14 to 16%. Rainfall so far this month has been scarce, with many areas reporting less than a tenth of an inch. A few scattered thunderstorms have brought over an inch of rainfall to some areas. The observer in Northfield (Rice County) reported over 1 inch of rain on October 3rd. No snow has been reported in the state so far this month. The latest U.S. Drought Monitor shows 33 percent of the sta...