Midwestern Regional Climate Center

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The Midwestern Regional Climate Center provides high-quality climate data and value-added tools for our nine-state Midwest region. Located at Purdue University.

kinda chic- precipitation percent of normal map for Midwest for July 30-August 5
Three Rivers, Michigan had its 2nd wettest July on record since 1895 with 9.22 inches of precipitation.
Drought montior as of July 28, 2026 across the Midwest
Corn GDD Tool from MRCC website. Corn GDD maturation for Montgomery County, Indiana is right on track as of July 27.
Days without 0.01 inches of precipitation. Areas in green are up to 2 weeks without measurable precipitation.
Marquette, Michigan has its warmest minimum temperature on record going back to 1961.
Left panel: Temperatures were generally near normal. Some areas were slightly above normal, while others were slightly below normal. Overall, anomalies were minimal. Right panel: precipitation was more noteworthy. Some areas observed precipitation totals that were over 6 inches above normal. Other areas were below normal, though the region as a whole was wetter than normal. It was the 22nd wettest June on record for the region as a whole.
Heat is the top weather-related killer in the U.S.
The probability of heat index values reaching certain thresholds from 100¯F and upward in Lafayette, Indiana. Chances start at 8% for reaching 100°F before dropping to roughly 3% probability for 105°F, 0% probability for 110°F and nearly 0% for 115°F.
The departure from normal for accumulated growing degree days across the Midwest for April 1-June 24, 2026. Much of the region has seen accumulated growing degree days well above the normal!
Cincinnati historical weather data for the summer solstice.
Flash drought webinar now available for the Midwest for June.
Areas in dark green are up to 2 weeks without measurable precipitation. Most of the region is up to 1 week without measurable precipitation.
Ranking of month of April total precipitation for the Midwest region for 1895-2026.
March 2026 major weather events across the Midwest