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...
Climate Summary for September of 2026: For the 4th consecutive year Minnesota recorded a very warm September. Most climate stations reported a mean monthly temperature that was 3°F to 5°F above normal. Overall, with a statewide average monthly temperature of 61.7°F, this September ranked as the 10th warmest in state history. Extremes for the month were 95°F at Madison (Lac Qui Parle County) on the 2nd, and 25°F at Celina (St Louis County) on the 22nd. Frosts occurred in 9 northern counties this month but were not present in the rest of the state. Within the statewide long term climate network, there were 11 high maximum daily temperature records broken or tied, including 91°F at Wells (Faribault County) on the 6th. Similarly, there were over 40 warm overnight daily minimum temperature records broken or tied, including 71°F at Austion (Mower County) on the 4th. In terms of rainfall, nearly all climate observers, except for a few in western counties, reported above normal amounts ...