Iowa

Cities

• October 2026 so far brought 1.05 in of precipitation in Burlington, IA, the wettest 1 to 3 October since 2014, 12th wettest of 127.
• Fall 2026 so far brought 11.90 in of precipitation in Cedar Rapids, IA, the wettest 1 September to 3 October since 1941 (1946 excluded: 11 of 33 days missing; 1947 excluded: 4 of 33 days missing; 2025 excluded: 10 of 33 days missing), 3rd wettest of 131.
• Fall 2026 so far brought 14.65 in of precipitation in Des Moines, IA, the wettest 1 September to 3 October since 1914, 2nd wettest of 149.
• Dubuque, IA has had 13 days at 90°F or above in 2026 through 3 October, the most by that date since 2012, tied 58th most of 152 (with 1952, 1942, 1922 and 4 other years).
• 2026 so far averaged 56.1°F in Sioux City, IA, the warmest 1 January to 3 October since 2016, tied 8th warmest of 134 (with 2016).
• An ordinary day: 3 October 2026 was cooler than 36 of 109 earlier years.
• October 2026 so far brought 2.91 in of precipitation in Waterloo, IA, the wettest 1 to 3 October on record, in 132 years since 1895; provisional.

Counties

Records set this year

• RecordThursday 23 July 2026: a low of 45°F in Spencer, IA, the coldest 23 July night on record, in 111 years since 1896 (no value for 1900, 1901, 1902 and 17 other years); provisional, awaiting the National Weather Service report.
• RecordMonday 30 March 2026: a high of 86°F in Waterloo, IA, the warmest 30 March on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
• RecordMonday 30 March 2026: a high of 86°F in Spencer, IA, the warmest 30 March on record, in 112 years since 1895 (no value for 1900, 1901, 1902 and 17 other years); provisional, awaiting the National Weather Service report.
• RecordMonday 30 March 2026: a high of 82°F in Dubuque, IA, the warmest 30 March on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
• RecordMonday 30 March 2026: a high of 87°F in Des Moines, IA, the warmest 30 March on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.
• RecordMonday 30 March 2026: a high of 86°F in Cedar Rapids, IA, the warmest 30 March on record, in 133 years since 1893 (no value for 1924); provisional, awaiting the National Weather Service report.
• RecordThursday 26 March 2026: a high of 86°F in Burlington, IA, the warmest 26 March on record, in 128 years since 1898 (no value for 1987); provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 87°F in Waterloo, IA, the warmest 21 March on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 89°F in Spencer, IA, the warmest 21 March on record, in 113 years since 1895 (no value for 1896, 1901, 1902 and 16 other years); provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 95°F in Sioux City, IA, the warmest 21 March on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 82°F in Dubuque, IA, the warmest 21 March on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 91°F in Des Moines, IA, the warmest 21 March on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 89°F in Cedar Rapids, IA, the warmest 21 March on record, in 133 years since 1893 (no value for 1924); provisional, awaiting the National Weather Service report.
• RecordSaturday 21 March 2026: a high of 86°F in Burlington, IA, the warmest 21 March on record, in 129 years since 1898; provisional, awaiting the National Weather Service report.
• RecordFriday 20 March 2026: a high of 83°F in Sioux City, IA, the warmest 20 March on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordTuesday 17 March 2026: a low of -5°F in Spencer, IA, the coldest 17 March night on record, in 114 years since 1895 (no value for 1901, 1902, 1903 and 15 other years); provisional, awaiting the National Weather Service report.
• RecordTuesday 10 March 2026: a high of 83°F in Burlington, IA, the warmest 10 March on record, in 128 years since 1898 (no value for 1925); provisional, awaiting the National Weather Service report.
• RecordMonday 9 March 2026: a high of 69°F in Dubuque, IA, the warmest 9 March on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
• RecordMonday 9 March 2026: a high of 76°F in Des Moines, IA, the warmest 9 March on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.
• RecordMonday 9 March 2026: a high of 74°F in Cedar Rapids, IA, the warmest 9 March on record, in 132 years since 1893 (no value for 1904 and 1924); provisional, awaiting the National Weather Service report.
• RecordMonday 9 March 2026: a high of 75°F in Burlington, IA, the warmest 9 March on record, in 129 years since 1898; provisional, awaiting the National Weather Service report.
• RecordSunday 8 March 2026: a high of 74°F in Sioux City, IA, the warmest 8 March on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordFriday 27 February 2026: a high of 62°F in Spencer, IA, the warmest 27 February on record, in 115 years since 1895 (no value for 1898, 1901, 1902 and 14 other years); provisional, awaiting the National Weather Service report.
• RecordMonday 16 February 2026: a high of 66°F in Waterloo, IA, the warmest 16 February on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
• RecordMonday 16 February 2026: a high of 65°F in Dubuque, IA, the warmest 16 February on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
• RecordMonday 16 February 2026: a high of 68°F in Des Moines, IA, the warmest 16 February on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.
• RecordMonday 16 February 2026: a high of 70°F in Cedar Rapids, IA, the warmest 16 February on record, in 133 years since 1893 (no value for 1924); provisional, awaiting the National Weather Service report.
• RecordSunday 15 February 2026: a high of 68°F in Sioux City, IA, the warmest 15 February on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordSaturday 14 February 2026: a high of 64°F in Spencer, IA, the warmest 14 February on record, in 116 years since 1895 (no value for 1901, 1902, 1903 and 13 other years); provisional, awaiting the National Weather Service report.
• RecordSaturday 14 February 2026: a high of 64°F in Sioux City, IA, the warmest 14 February on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordMonday 9 February 2026: a high of 63°F in Spencer, IA, the warmest 9 February on record, in 116 years since 1895 (no value for 1901, 1902, 1903 and 13 other years); provisional, awaiting the National Weather Service report.
• RecordMonday 9 February 2026: a high of 75°F in Sioux City, IA, the warmest 9 February on record, in 137 years since 1890; provisional, awaiting the National Weather Service report.
• RecordMonday 9 February 2026: a high of 67°F in Des Moines, IA, the warmest 9 February on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.
• RecordMonday 12 January 2026: a high of 53°F in Spencer, IA, the warmest 12 January on record, in 109 years since 1896 (no value for 1900, 1901, 1902 and 19 other years); provisional, awaiting the National Weather Service report.
• RecordWednesday 7 January 2026: a high of 60°F in Des Moines, IA, the warmest 7 January on record, in 148 years since 1879; provisional, awaiting the National Weather Service report.

Records set this year not listed

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