An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >
May 9-13, 2022 Record Heat
A strong high pressure system brought record highs and warm lows to the Upper Mississippi River Valley. Besides numerous daily records, there was even a monthly warm low record tied at La Crosse, WI. On May 12, the La Crosse Regional Airport had a low temperature of 75°F. This tied May 29, 2006, for the warmest May low temperature. Other noteworthy things at:
La Crosse, WI
Rochester, MN
Daily Record Highs & Warm Lows can be found by selecting the tabs below.
May 9 Records
Record Highs
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Necedah 5 WNW WI 85°F 84°F in 2007 2004
Oelwein 1E IA 89°F 79°F in 2007 2005
Steuben 4SE WI 86°F 85°F in 2018 2002
May 10 Records
Record Highs
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Charles City IA 90°F 87°F in 1900 1893
Decorah IA 92°F 90°F in 2011 1893
Friendship WI 86°F 86°F in 2007 1930
Mauston 1 SE WI 86°F 85°F in 2007 1905
Warmest Lows
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Black River Falls WI 58°F 52°F in 2011 1998
La Crosse NWS WI 62°F 56°F in 2005 1997
Necedah 5 WNW WI 61°F 53°F in 2011 2004
Oelwein 1 E IA 59°F 54°F in 2007 2005
Steuben 4 SE WI 59°F 58°F in 2005 2002
Winona Dam 5A MN 59°F 59°F in 1993 1939
May 11 Records
Record Highs
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Alma Dam 4 WI 90°F 84°F in 1977 1939
Austin WWTF MN 90°F 90°F in 1940 1938
Boscobel Airport WI 97°F 93°F in 2011 1999
Caledonia MN 91°F 83°F in 2011 1893
Charles City IA 93°F 88°F in 1900 1893
Decorah IA 94°F 88°F in 1900 1893
Elkader 6SSW IA 92°F 90°F in 1900 1893
Fayette IA 91°F 87°F in 1900 1893
Genoa Dam 8 WI 91°F 87°F in 1940 1939
Grand Meadow MN 89°F 89°F in 1900 1891
Guttenberg L & D IA 89°F 86°F in 2011 1937
La Crosse Airport WI 90°F 89°F in 1922 1872
La Crosse NWS WI 88°F 82°F in 1999 1997
Lancaster WI 91°F 87°F in 2011 1893
Mauston 1 SE WI 86°F 85°F in 1991 1905
New Hampton IA 92°F 88°F in 1940 1897
Oelwein 1E IA 94°F 85°F in 2011 2005
Osage IA 92°F 87°F in 1940 1894
Prairie du Chien WI 94°F 90°F in 1896 1893
Preston MN 89°F 89°F in 1985 1952
Rochester Airport MN 89°F 89°F in 1911 1886
Steuben 4SE WI 93°F 86°F in 2011 2002
Viroqua WI 87°F 85°F in 2011 1893
Winona Dam 5A MN 86°F 86°F in 1940 1939
Warmest Lows
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Austin WWTF MN 63°F 63°F in 1940 1938
Black River Falls WI 63°F 56°F in 2011 1998
Boscobel Airport WI 66°F 62°F in 2011 1999
Caledonia MN 64°F 63°F in 2011 1893
Charles City IA 63°F 63°F in 1992 1893
Friendship WI 67°F 62°F in 1930 1930
La Crosse NWS WI 66°F 60°F in 2011 1997
Mauston 1 SE WI 63°F 62°F in 1982 1905
Neillsville 3 ESE WI 61°F 61°F in 1922 1893
Owen 1E WI 60°F 60°F in 1985 1946
Steuben 4SE WI 66°F 63°F in 2011 2002
May 12 Records
Record Highs
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Alma Dam 4 WI 92°F 86°F in 1977 1939
Austin WWTF MN 93°F 88°F in 1940 1938
Boscobel Airport WI 97°F 87°F in 2011 1999
Caledonia MN 92°F 85°F in 1977 1893
Decorah IA 94°F 91°F in 1940 1893
Fayette IA 93°F 88°F in 1900 1893
Friendship WI 94°F 89°F in 1940 1930
Genoa Dam 8 WI 92°F 86°F in 1991 1939
Guttenberg L & D IA 94°F 89°F in 1991 1937
La Crescent Dam MN 90°F 85°F in 1940 1939
La Crosse Airport WI 96°F 90°F in 1940 1872
La Crosse NWS WI 92°F 81°F in 2011 1997
Lancaster WI 91°F 87°F in 1932 1893
Lynxville Dam 9 WI 94°F 88°F in 1977 1939
Mather 3NW WI 94°F 88°F in 1940 1903
Medford WI 91°F 90°F in 1900 1893
Minnesota City MN 93°F 84°F in 1940 1896
New Hampton IA 94°F 89°F in 1940 1897
Oelwein 1E IA 96°F 83°F in 2011 2005
Osage IA 94°F 91°F in 1940 1894
Prairie du Chien WI 95°F 90°F in 1900 1893
Preston MN 92°F 87°F in 1977 1952
Rochester Airport MN 94°F 89°F in 1940 1886
Sparta WI 93°F 89°F in 1991 1893
Theilman 1SSW MN 96°F 88°F in 1977 1962
Viroqua WI 89°F 86°F in 1940 1893
Winona Dam 5A MN 94°F 85°F in 1940 1939
Warmest Lows
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Austin WWTF MN 67°F 61°F in 2011 1938
Boscobel Airport WI 69°F 62°F in 2004 1999
Caledonia MN 68°F 62°F in 1906 1893
Charles City IA 68°F 64°F in 2004 1893
Decorah IA 71°F 66°F in 1906 1893
Friendship WI 65°F 59°F in 2014 1930
La Crescent Dam MN 69°F 62°F in 2011 1939
La Crosse Airport WI 75°F 68°F in 1879 1872
La Crosse NWS WI 74°F 56°F in 2011 1997
Lancaster WI 72°F 61°F in 2014 1893
Medford WI 60°F 60°F in 1992 1893
Neillsville 3 ESE WI 65°F 62°F in 1900 1893
New Hampton IA 65°F 61°F in 1986 1897
Oelwein 1E IA 68°F 60°F in 2011 2005
Prairie du Chien WI 66°F 62°F in 2011 1893
Rochester Airport MN 65°F 61°F in 1944 1886
Steuben 4 SE WI 70°F 62°F in 2011 2002
Viroqua WI 67°F 64°F in 2004 1893
May 13 Records
Record Highs
New Records
Location State Record Old Record Began
-------- ----- ------ ---------- -----
Boscobel Airport WI 92°F 85°F in 2017 1999
La Crosse Airport WI 90°F 88°F in 1900 1872
& 1977
Mather 3NW WI 90°F 90°F in 1977 1903
Mauston 1 SE WI 91°F 86°F in 1962 1905
Oelwein 1E IA 86°F 84°F in 2017 2005
Steuben 4 SE WI 87°F 80°F in 2017 2002
Winona Dam 5A MN 84°F 81°F in 2017 1939
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