All-time weather records — Forest City, IA
Climate change signal in Forest City
of Forest City's all-time daily heat records were set in the last decade (24 of 366 records since 2015).
of all-time daily cold records were set in the last decade (13 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1890s | 18 | 42 | ||
| 1900s | 17 | 39 | ||
| 1910s | 31 | 56 | ||
| 1920s | 24 | 43 | ||
| 1930s | 86 | 25 | ||
| 1940s | 26 | 26 | ||
| 1950s | 19 | 21 | ||
| 1960s | 16 | 27 | ||
| 1970s | 13 | 23 | ||
| 1980s | 28 | 17 | ||
| 1990s | 22 | 19 | ||
| 2000s | 27 | 8 | ||
| 2010s | 21 | 15 | ||
| 2020s | 18 | 5 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1894, the latest in 2025. Period of observation: 1894-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 64.0°F — Jan 25, 1944 | -36.0°F — Jan 12, 1912 | 4.00 in — Jan 26, 2004 |
| February | 72.0°F — Feb 27, 2024 | -33.0°F — Feb 9, 1899 | 2.00 in — Feb 28, 1998 |
| March | 86.0°F — Mar 30, 1895 | -26.0°F — Mar 1, 1962 | 2.80 in — Mar 13, 1991 |
| April | 93.9°F — Apr 28, 1910 | 3.0°F — Apr 12, 2002 | 2.59 in — Apr 12, 2005 |
| May | 106.0°F — May 31, 1934 | 21.9°F — May 3, 1967 | 6.12 in — May 21, 1959 |
| June | 104.0°F — Jun 2, 1934 | 34.0°F — Jun 7, 1901 | 6.51 in — Jun 12, 1944 |
| July | 108.0°F — Jul 14, 1936 | 37.9°F — Jul 9, 1895 | 4.08 in — Jul 12, 2000 |
| August | 105.1°F — Aug 3, 1930 | 35.1°F — Aug 30, 1915 | 7.51 in — Aug 31, 1962 |
| September | 100.9°F — Sep 6, 1922 | 6.1°F — Sep 9, 1922 | 5.76 in — Sep 8, 1964 |
| October | 97.0°F — Oct 5, 1963 | -2.9°F — Oct 30, 1925 | 3.17 in — Oct 1, 1923 |
| November | 80.1°F — Nov 9, 2006 | -13.0°F — Nov 26, 1977 | 2.21 in — Nov 20, 1934 |
| December | 69.1°F — Dec 2, 1998 | -27.9°F — Dec 14, 1901 | 2.00 in — Dec 10, 1911 |
Click a month to see every daily record for that month in Forest City.