All-time weather records — American Falls, ID

Record high
102.9°F
July 6, 2017
Record low
-22.0°F
January 6, 2017
Wettest day
2.16 in
June 10, 2024

Climate change signal in American Falls

59.6%

of American Falls's all-time daily heat records were set in the last decade (218 of 366 records since 2015).

47.8%

of all-time daily cold records were set in the last decade (175 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 #
2000s
16
43
2010s
244
235
2020s
106
88

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 2008, the latest in 2025. Period of observation: 2008-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 57.9°F — Jan 30, 2018 -22.0°F — Jan 6, 2017 0.95 in — Jan 19, 2012
February 63.0°F — Feb 8, 2015 -9.9°F — Feb 2, 2011 0.54 in — Feb 3, 2019
March 75.0°F — Mar 27, 2015 1.0°F — Mar 10, 2022 1.19 in — Mar 1, 2024
April 88.0°F — Apr 22, 2012 16.0°F — Apr 10, 2010 0.80 in — Apr 8, 2017
May 90.0°F — May 13, 2013 25.0°F — May 5, 2010 0.72 in — May 3, 2022
June 100.9°F — Jun 29, 2013 32.0°F — Jun 7, 2012 2.16 in — Jun 10, 2024
July 102.9°F — Jul 6, 2017 42.1°F — Jul 4, 2018 0.76 in — Jul 15, 2012
August 102.9°F — Aug 3, 2020 37.9°F — Aug 28, 2018 1.47 in — Aug 28, 2013
September 97.0°F — Sep 3, 2022 28.0°F — Sep 12, 2014 0.98 in — Sep 27, 2014
October 89.1°F — Oct 1, 2011 3.0°F — Oct 30, 2019 1.00 in — Oct 4, 2025
November 70.0°F — Nov 1, 2014 -2.9°F — Nov 27, 2015 0.92 in — Nov 23, 2023
December 59.0°F — Dec 2, 2021 -14.1°F — Dec 10, 2009 0.53 in — Dec 31, 2022

Click a month to see every daily record for that month in American Falls.