Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

McCook Memorial Day Climatology

Period of Record 103 Years: 1909-2011

Missing: 1913, 1921, 1972 and 1979

Temperature Information

*Record High*	102°F (1928)
*Record Low*	38°F (1947)
*Coldest High Temperature*	54°F (1973)
*Warmest Low Temperature*	67°F (1958)
Average High (Period of Record)	79°F
Average Low (Period of Record)	53°F
30 year Normal High (1981-2010)	76°F
30 year Normal Low (1981-2010)	51°F
Running 30 year Normal High (1982-2011)	77°F
Running 30 year Normal Low (1982-2011)	51°F