Daily Coop Min Temp

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Observed 24-Hour Minimum Temperature

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM TUESDAY SEPTEMBER 8, 2026. MISSOURI Round Spring 56 Perryville 57 Rosebud 59 Alton 60 Ava 61 Washington 62 Clearwater Dam 63 NWS WFO 63 Potosi 5SW 63 St Charles 64 West Plains 64 Salem 65 St Charles 7SSW 65 Canton LD 20 TW 66 Freedom 66 Kirksville 66 Memphis 66 Shelbina 66 Vandalia 66 Cassville 67 Hannibal 67 Rolla 67 Steffenville 67 Ozark Beach 68 Trenton 68 Chillicothe 69 Clarksville 24 TW 69 Saverton LD 22 TW 69 Sedalia 69 California 70 Iberia 70 Salisbury 70 Galena 71 Ash Grove 72 Cole Camp 72 Monett 72 Lockwood 73 Marshfield 73 Bolivar 74 Hermitage 75 Stockton 80 CENTRAL AND SOUTHERN ILLINOIS Urbana 58 Ogden 59 Carbondale 60 Flora 60 Tuscola 60 White Hall 1E 61 Jerseyville 2SW 62 Salem 62 Alton LD 26 TW 63 La Harpe 63 Bentley 64 Hamletsburg 64 Gladstone 65 Quincy L & D 21 67

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM MONDAY SEPTEMBER 7, 2026. MISSOURI Perryville 61 St Charles 7SSW 63 Bowling Green 1E 65 NWS WFO 65 Potosi 5SW 65 Vandalia 65 Ava 66 Kirksville 66 Canton LD 20 TW 67 Hannibal 67 Steffenville 67 Alton 68 Cassville 69 Clarksville 24 TW 69 Freedom 69 Ash Grove 70 Chillicothe 70 Rolla 70 Saverton LD 22 TW 70 West Plains 70 Hermitage 71 Lockwood 71 Trenton 71 Cole Camp 72 Iberia 72 Sedalia 72 Monett 74 Truman D & Rsvr 74 CENTRAL AND SOUTHERN ILLINOIS Ogden 60 Tuscola 60 Jerseyville 2SW 61 Carbondale 63 La Harpe 63 Salem 63 Bentley 64 Alton LD 26 TW 65 Gladstone 65 Kaskaskia Locks 66 Hamletsburg 67 Quincy L & D 21 68

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM SUNDAY SEPTEMBER 6, 2026. MISSOURI Round Spring 67 Sedalia 69 Ash Grove 70 Bowling Green 1E 70 Hermitage 70 Ozark Beach 70 Perryville 70 Lockwood 71 Rosebud 71 Steffenville 71 Vandalia 71 Canton LD 20 TW 72 Iberia 72 Kirksville 72 St Charles 72 Clearwater Dam 73 Hannibal 73 Trenton 73 Clarksville 24 TW 74 Freedom 74 Monett 74 NWS WFO 74 Washington 74 West Plains 74 Saverton LD 22 TW 75 Truman D & Rsvr 75 Princeton 76 Chillicothe 77 Salisbury 77 CENTRAL AND SOUTHERN ILLINOIS La Harpe 69 Tuscola 69 White Hall 1E 69 Ogden 70 Bentley 71 Gladstone 74 Hamletsburg 74 Kaskaskia Locks 74 Quincy L & D 21 74 Alton LD 26 TW 75

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM SATURDAY SEPTEMBER 5, 2026. MISSOURI Round Spring 67 Rosebud 69 Sedalia 69 St Charles 7SSW 69 Lockwood 71 Perryville 71 Ash Grove 72 Canton LD 20 TW 72 Clarence Cannon 72 Memphis 72 Chillicothe 73 Clearwater Dam 73 Cole Camp 73 Kirksville 73 Potosi 5SW 73 Trenton 73 Truman D & Rsvr 73 Washington 73 Freedom 74 West Plains 74 Iberia 75 Vandalia 75 Hannibal 76 NWS WFO 76 Saverton LD 22 TW 76 St Charles 76 Clarksville 24 TW 77 CENTRAL AND SOUTHERN ILLINOIS Carbondale 72 La Harpe 72 Ogden 72 Bentley 74 Hamletsburg 74 Kaskaskia Locks 74 Quincy L & D 21 74 Tuscola 74 Gladstone 75 Alton LD 26 TW 76 Salem 76

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM FRIDAY SEPTEMBER 4, 2026. MISSOURI Round Spring 66 Cassville 67 Galena 69 Ozark Beach 69 Rosebud 69 Alton 70 Shelbina 70 Ash Grove 71 Bolivar 71 Clearwater Dam 71 Perryville 71 Sedalia 71 Freedom 72 Lockwood 72 St Charles 7SSW 72 Trenton 72 Washington 72 Chillicothe 73 Potosi 5SW 73 Canton LD 20 TW 74 Monett 74 West Plains 74 California 75 Marshfield 75 Princeton 75 Iberia 76 Kirksville 76 Rolla 76 Steffenville 76 Truman D & Rsvr 76 Vandalia 76 Jefferson City 77 Clarence Cannon 78 Hannibal 78 NWS WFO 78 Saverton LD 22 TW 78 Stockton 79 CENTRAL AND SOUTHERN ILLINOIS La Harpe 72 Ogden 72 Carbondale 73 Flora 73 Urbana 73 Bentley 74 Tuscola 74 Jerseyville 2SW 75 Kaskaskia Locks 75 Salem 76 Alton LD 26 TW 77 Quincy L & D 21 77

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM THURSDAY SEPTEMBER 3, 2026. MISSOURI Ava 63 Cassville 67 Hermitage 68 Round Spring 68 Perryville 69 Rosebud 69 Galena 70 Shelbina 70 St Charles 7SSW 70 Billings 71 Trenton 71 Bolivar 72 Chillicothe 72 Clearwater Dam 72 Freedom 72 Washington 72 West Plains 72 Ash Grove 73 Lockwood 73 Monett 73 Sedalia 73 Princeton 74 California 75 Canton LD 20 TW 75 Iberia 75 Marshfield 76 Rolla 76 Salisbury 76 Steffenville 76 Truman D & Rsvr 76 Clarence Cannon 77 Clarksville 24 TW 77 Jefferson City 77 Kirksville 77 St Charles 77 Vandalia 77 Hannibal 78 NWS WFO 78 Potosi 5SW 78 Saverton LD 22 TW 81 CENTRAL AND SOUTHERN ILLINOIS Ogden 70 Carbondale 72 Hamletsburg 72 La Harpe 72 Flora 73 Tuscola 73 White Hall 1E 73 Bentley 74 Gladstone 74 Kaskaskia Locks 74 Quincy L & D 21 74 Jerseyville 2SW 76 Salem 76 Alton LD 26 TW 77

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM WEDNESDAY SEPTEMBER 2, 2026. MISSOURI Ava 60 Rosebud 65 Round Spring 67 Shelbina 67 Alton 68 Bolivar 68 Ozark Beach 68 Clearwater Dam 69 Galena 69 Perryville 69 Sedalia 69 Chillicothe 70 Clarksville 24 TW 70 Salisbury 71 Trenton 71 Washington 71 Billings 72 Freedom 72 Princeton 72 Truman D & Rsvr 72 West Plains 72 Ash Grove 73 Clarence Cannon 73 Cole Camp 73 Steffenville 73 Vandalia 73 Canton LD 20 TW 74 Lockwood 74 St Charles 7SSW 74 Hannibal 75 Iberia 75 Jefferson City 75 Kirksville 75 Memphis 75 Monett 75 NWS WFO 75 Hermitage 76 Potosi 5SW 76 Rolla 77 Saverton LD 22 TW 79 Stockton 80 CENTRAL AND SOUTHERN ILLINOIS Carbondale 70 Ogden 70 Urbana 70 White Hall 1E 70 La Harpe 71 Gladstone 72 Hamletsburg 72 Bentley 73 Jerseyville 2SW 73 Alton LD 26 TW 74 Flora 74 Quincy L & D 21 74 Tuscola 74 Kaskaskia Locks 75 Salem 75

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM TUESDAY SEPTEMBER 1, 2026. MISSOURI Round Spring 62 St Charles 7SSW 62 St Charles 63 Washington 63 Perryville 64 Clearwater Dam 65 Rosebud 65 West Plains 66 Galena 67 Shelbina 67 Bolivar 68 NWS WFO 68 Billings 69 Memphis 69 Sedalia 69 Chillicothe 70 Clarksville 24 TW 70 Ash Grove 71 Cole Camp 71 Freedom 71 Salisbury 71 Trenton 71 Vandalia 71 California 72 Steffenville 72 Truman D & Rsvr 72 Canton LD 20 TW 73 Clarence Cannon 73 Iberia 73 Lockwood 73 Hannibal 74 Potosi 5SW 74 Hermitage 75 Kirksville 75 Monett 75 Rolla 75 Saverton LD 22 TW 76 Stockton 79 CENTRAL AND SOUTHERN ILLINOIS Ogden 65 Jerseyville 2SW 68 Flora 69 Salem 69 Carbondale 70 La Harpe 70 Alton LD 26 TW 71 Bentley 71 Tuscola 71 Urbana 71 Gladstone 72 Hamletsburg 72 Kaskaskia Locks 72 Quincy L & D 21 74

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM MONDAY AUGUST 31, 2026. MISSOURI Ava 56 Round Spring 57 Clearwater Dam 61 St Charles 63 Washington 63 West Plains 63 Cassville 64 Clarksville 24 TW 64 Perryville 64 Saverton LD 22 TW 64 Rosebud 66 Freedom 67 NWS WFO 67 Billings 68 Canton LD 20 TW 68 Shelbina 68 Ash Grove 69 Iberia 70 Princeton 70 Bolivar 71 California 71 Jefferson City 71 Lockwood 71 Monett 71 Rolla 71 Steffenville 71 Vandalia 71 Clarence Cannon 72 Hannibal 72 Marshfield 72 Salisbury 72 Trenton 72 Sedalia 73 Hermitage 74 Kirksville 74 Potosi 5SW 74 Truman D & Rsvr 75 Chillicothe 77 CENTRAL AND SOUTHERN ILLINOIS Jerseyville 2SW 61 Carbondale 63 Gladstone 64 Ogden 65 Urbana 65 Flora 66 Hamletsburg 67 Kaskaskia Locks 67 Salem 68 Tuscola 68 La Harpe 69 Bentley 70 Quincy L & D 21 71 Alton LD 26 TW 77

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM SUNDAY AUGUST 30, 2026. MISSOURI Ava 54 Round Spring 54 Rosebud 56 Freedom 59 Washington 59 Cole Camp 60 Perryville 60 Iberia 61 NWS WFO 61 Shelbina 61 Truman D & Rsvr 61 Sedalia 62 St Charles 7SSW 62 Vandalia 62 West Plains 62 Clarksville 24 TW 64 Jefferson City 64 Lockwood 64 Saverton LD 22 TW 64 Steffenville 64 Trenton 64 Canton LD 20 TW 65 Hannibal 65 Clarence Cannon 66 Kirksville 66 Rolla 66 Salisbury 66 Ash Grove 67 Chillicothe 67 Marshfield 67 Hermitage 68 Princeton 69 Monett 70 CENTRAL AND SOUTHERN ILLINOIS Casey 59 Kaskaskia Locks 60 Ogden 60 White Hall 1E 60 Quincy L & D 21 63 La Harpe 64 Tuscola 64 Gladstone 65 Salem 66 Hamletsburg 67 Bentley 69

24 HOUR LOW TEMPERATURE DATA IN DEGREES FAHRENHEIT, ENDING AT 7 AM SATURDAY AUGUST 29, 2026. MISSOURI Round Spring 53 Ava 55 Rosebud 55 Shelbina 55 Iberia 58 Lockwood 58 Salisbury 58 Sedalia 58 Freedom 59 Hermitage 59 Kirksville 59 Memphis 59 Perryville 59 Potosi 5SW 59 Washington 59 Canton LD 20 TW 60 Steffenville 60 Vandalia 60 West Plains 60 Ash Grove 61 Billings 61 NWS WFO 61 Trenton 61 Truman D & Rsvr 61 Jefferson City 62 Monett 62 Clarksville 24 TW 64 Hannibal 64 Marshfield 64 Saverton LD 22 TW 64 St Charles 7SSW 64 Princeton 66 CENTRAL AND SOUTHERN ILLINOIS Casey 54 White Hall 1E 57 La Harpe 60 Ogden 60 Bentley 61 Kaskaskia Locks 61 Tuscola 61 Gladstone 62 Quincy L & D 21 63 Salem 64 Carlyle Lake 65 Hamletsburg 67