Quarterly Climate Impacts and Outlook for the Midwest Region for June–August 2023. Dated September 2023.

Summer temperatures were near normal for most of the Midwest, with slightly above-normal temperatures in the west and slightly below-normal temperatures in the east. Summer precipitation was 84% of normal for the Midwest. Deficits of 4–10 inches were widespread across the northwest, while surpluses of 2–8 inches were observed across the south-central and eastern Midwest.

Quarterly Climate Impacts and Outlook for the Great Lakes Region for June–August 2023. Dated September 2023.

Summer temperatures were 2°C (4°F) below normal in the Erie basin, to near normal elsewhere. Summer precipitation was 96% of average, with Superior dry, Ontario wet, and the others near average.

Quarterly Climate Impacts and Outlook for the Great Lakes Region for March–May 2023. Dated June 2023.

Spring temperatures ranged from 2°C (4°F) below normal to 1°C (2°F) above normal. Spring precipitation was 90% of average, with the Erie basin being dry, Superior basin being wet, and the other basins near average.

Quarterly Climate Impacts and Outlook for the Midwest Region for March–May 2023. Dated June 2023.

Average spring temperatures were near to slightly above normal for most of the Midwest, except in Minnesota, where temperatures were up to 4°F below normal for spring. Spring precipitation was 80% of normal for the Midwest.