Dryer weather conditions across most of the Prairies limited FHB disease in cereal crops in 2017, but a one year break away is not enough time for the disease to decompose. In addition, disease severity is greater under weather conditions of high humidity and warmer temperatures. Temperatures from 15 to 25 C, in June and July, favour spore development.
Areas in the Prairies, like Parkland region in Manitoba, receiving significant amounts of rainfall have increased risk for FHB. Risk maps are available for all three provinces: