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Ag Weather Impacts
by Dennis Hull, click here for bio

Program: Ag Weather Impact
Date: July 19, 2019

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Most farms in the Columbia Basin were only in the mid 70s to lower 80s on Thursday and this is mid July, normally the hottest time of the year. An upper level trof of cool air will bring one more day of pleasant, but below normal temperatures today and then a warming trend begins Saturday. That high pressure ridge that is bringing oppressive heat to the plains and Midwest will rebuild west of the Rockies, but without the humidity. Look for temperatures to be above normal for Sunday through Tuesday. A dry cold front will knock temperatures back to near normal for So good conditions for hay drying and wheat combining should continue through the middle of next week. Rather low afternoon humidity in the 15 to 25 percent range will limit alfalfa baling to the overnight and morning hours. Overnight humidity will rise to 60 to 70 percent and only light dew is expected to form. Cattle, though will likely experience moderate heat stress during the afternoons Sunday through Tuesday. Look for spraying conditions to improve with lighter winds. Irrigators can plan on crop water use to increase these next 7 days. Alfalfa, corn, peaches, potatoes, and apples will use between 2 and 2 and a ¼ inches. Lawns and melons will need about an inch and a half to 3/4. So far in July, most farms have seen temperatures average near normal and little to no rain. NOAA's outlook for the rest of July and August is calling for a continuation less rain than usual with temperatures averaging above normal.

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