Weather
Weather and climate are critical factors in Iowa's crop production. Find more information on weather-related tools, weather/climate outlooks, and resources for managing through weather events like flooding, windstorms, hail, and drought.
Weather Maps
Daily Soil Temperatures
YTD Accumulated Precipitation in Ames
Departure from normal precipitation from last 7 days across Iowa
24 Hour Precipitation Across Iowa
What in the Weather?
Wish you could understand the weather better? Join Dan Fillius, Iowa State University Extension Horticulture Field Specialist, Madelynn Wuestenberg, ISU Extension Ag. Climatology Specialist, and Dr. Justin Glisan, Iowa’s State Climatologist, as they discuss what is happening in the world of Iowa weather.
Timely Insights on Weather
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May 11, 2026Content Author
Early-season field conditions can set the tone for the entire growing season. Two common soil issues that can limit early crop development are soil crusting and sidewall compaction. While they look different in the field, both restrict crop establishment and early root growth, reduce early vigor, and can make crop stress symptoms show up sooner and more severely.
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April 27, 2026Content Author
Iowa State University Extension and Outreach Field Agronomists have completed their spring survey of subsoil moisture in northwest Iowa. Subsoil moisture sampling in Iowa dates to February 1954 when ten sites were chosen for soil moisture sampling. In 1959, the sampling increased to 22 locations, and in 1971, 61 locations were sampled. Today, 18 locations are sampled in northwest Iowa.
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April 16, 2026Content Author
The crop insurance planting dates have come and gone with barely a field planted for many farmers across Iowa in stark contrast to the last two springs. Cooler temperatures in early April and persistent rainfall has prevented much progress, as indicated by the USDA Crop Progress and Condition Report on April 12. Rainfall totals over four inches in the past two weeks for a good swath of the state from southwest to northeast has replenished soil moisture.



