What in the Weather?

4/29/26 - Cool and Dry for the next week

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  • [00:00:41] This day in Iowa weather history: The cold and snowy spring of 1907, linked to the eruption of the Ksudach volcano in eastern Russia
  • [00:01:45] This week's forecast: A welcome break from active weather with temperatures reaching the 60s and 70s, mostly sunny skies, and high pressure taking hold
  • [00:02:33] Frost advisory alert: Chances of frost Thursday and Friday nights, with lows near 32°F in northern Iowa
  • [00:04:27] 8 to 14 day outlook (May 6–12): Below-normal temperatures and below-normal precipitation expected statewide
  • [00:05:29] 3 to 4 week outlook (May 9–22): Continued below-normal temperatures; slight lean toward above-normal precipitation
  • [00:06:09] Hazard watch: Slight risk of below-normal temperatures May 8–10, coinciding with the Mother's Day planting window
  • [00:07:38] Last week's weather recap: Rainfall verified across Iowa, with some areas receiving over 2.5 inches
  • [00:08:48] Severe weather recap: 10 tornado reports on April 23rd, primarily in western, south-central, and central Iowa, plus hail and high wind reports
  • [00:10:21] Specialty crop planting recommendations for this week: Greens, carrots, beets, potatoes, brassicas, Swiss chard, fennel, and lettuce successions
  • [00:11:08] Greenhouse starting tips: Lettuce and sweet corn successions; start melons now for post-May 10th transplanting
  • [00:11:59] Pest updates: Imported cabbage worm confirmed; flea beetles still weeks away but currently emerged in central Missouri
  • [00:12:40] Field management: Get cultivation done as soon as field surfaces dry out; begin tillage for future beds when further drying happens
  • [00:12:53] Grower report — Garlic: Crop failure in unmulched beds linked to root rot (Fusarium?); mulched garlic faring well
  • [00:14:26] Grower report — Onion thrips: Thrips found on black plastic mulch before transplanting, possibly harbored in nearby garlic plantings
  • [00:15:41] Call for speakers: Seeking growers and researchers for the Organic Vegetable Production Conference and High Tunnel Short Course
...more
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What in the Weather?By Dan Fillius; Justin Glisan; Madelynn Wuestenberg