Jun 17, 2026
Episode Summary
00:00:32 – Iowa weather history: a severe 1978 thunderstorm with softball-sized hail and damaging winds from Sioux City to Webster City
00:01:09 – Follow-up on the latest recorded frost in Iowa history (June 22, 1902, in Columbus Junction) and the cooler global climate trends of that era
00:02:21 – Weekly forecast: continued active weather, more rain Saturday night into Sunday, near-normal temperatures trending slightly cooler next week, and comfortable dew points
00:03:34 – Breakdown of the storm system moving through Iowa, including a 94 mph wind gust in Marshalltown and discussion of squall lines, the low-level jet, and derecho criteria
00:07:37 – Whether last week's 8-to-14-day hazard outlook predicted this week's severe weather event
00:09:14 – New 8-to-14-day outlook (June 24–30): slightly cooler and wetter than normal, no hazards expected
00:10:06 – Three-to-four-week outlook (June 27–July 10): equal chances for above/below/near normal temperature and precipitation
00:10:35 – Discussion of June running about 4°F above the 30-year average so far
00:11:51 – Past week's weather recap: the June 10 derecho, a tornado in Washington County, and severe wind/hail damage on June 11 in southwest Iowa
00:14:37 – Verification of last week's rainfall forecast (heavy in the southeast, minimal in the northwest) and impacts on weed cultivation
00:15:34 – Weekly weather data: highs, lows, and rainfall totals across the state
00:16:14 – Recap of a windier-than-normal meteorological spring (March–May)
00:17:38 – Outlook for a wetter Gulf/southern US and its connection to a possible cooler July-August-September signal for Iowa
00:20:46 – Drought risk specifically for northwest Iowa given drier conditions there
00:21:32 – Specialty crop pest and disease update: cucumber beetles, squash vine borer, aster leafhopper/aster yellows, Japanese beetles, and halo blight on green beans
00:25:40 – Cool temperatures expected to delay heat-loving crops like tomatoes, peppers, and sweet corn
00:26:29 – Weed control strategy: understanding the "critical weed-free period" for different crops
00:27:39 – Reminder to report suspected herbicide spray drift (2,4-D/dicamba) to IDALS
00:28:52 – Upcoming Controlled Environment Ag Short Course in Ames
summary generated using claude.ai