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Poweshiek County remains free of drought
September 21, 2026
No part of Poweshiek County is in drought as of the week of September 15–21, 2026. The absence of drought in this prairie county in late September reflects adequate moisture supplies through the summer months and the wet conditions reported at local weather stations, maintaining soil water reserves as the growing season closes.
Grinnell 3 SW rainfall surges past normal
September 21, 2026
Through September 21, Grinnell 3 SW received 4.9 inches of rain, 2.6 inches above the normal of 2.27 inches by this date. This surplus moisture follows dry conditions earlier in September, when the month ranked 23rd driest of 131 years on record.
Grinnell 3 SW logs a warm 30-day stretch
September 21, 2026
The Grinnell 3 SW weather station 3 km away recorded a mean daily high of 82°F and mean daily low of 61.4°F over the past 30 days, running 3.9°F and 7.9°F above normal respectively. This persistent warmth represents one of the warmest periods of the year at a typical time when cool nights should dominate the transition to autumn.
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