Data source: National Weather Service (NWS) Last verified: July 19, 2026

Extreme Heat

Heat Advisory (ADVISORY) - expires July 20, 2026 at 11:00 PM EDT

Areas affected: Monona; Harrison; Shelby; Pottawattamie; Mills; Montgomery; Fremont; Page; Thurston; Wayne; Boone; Madison; Stanton; Cuming; Burt; Platte; Colfax; Dodge; Washington; Butler; Saunders; Douglas; Sarpy; Cass; Otoe; Nemaha; Richardson

Heat Advisory issued July 18 at 9:08PM CDT until July 20 at 10:00PM CDT by NWS Omaha/Valley NE

• WHAT...Heat index values of 105 to 110 expected.

• WHERE...Portions of southwest and west central Iowa and east central, northeast, and southeast Nebraska.

• WHEN...From 10 AM to 10 PM CDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

• ADDITIONAL DETAILS...Overnight heat index values in the mid to upper 70s will provide little relief.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS Omaha/Valley NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 4:00 PM EDT

Areas affected: Phillips; Smith; Jewell; Rooks; Osborne; Mitchell; Valley; Greeley; Nance; Sherman; Howard; Merrick; Polk; Dawson; Buffalo; Hall; Hamilton; York; Gosper; Phelps; Kearney; Adams; Clay; Fillmore; Furnas; Harlan; Franklin; Webster; Nuckolls; Thayer

Heat Advisory issued July 18 at 8:57PM CDT until July 20 at 10:00PM CDT by NWS Hastings NE

• WHAT...Heat index values up to 105 to 110 expected.

• WHERE...Portions of north central Kansas and central, east central, and south central Nebraska.

• WHEN...From 10 AM to 10 PM CDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Source: NWS Hastings NE

Heat Advisory (ADVISORY) - expires July 20, 2026 at 11:00 PM EDT

Areas affected: Seward; Lancaster; Saline; Jefferson; Gage; Johnson; Pawnee

Heat Advisory issued July 18 at 9:08PM CDT until July 20 at 10:00PM CDT by NWS Omaha/Valley NE

• WHAT...Heat index values of 105 to 110 expected.

• WHERE...Gage, Jefferson, Johnson, Lancaster, Pawnee, Saline, and Seward Counties.

• WHEN...From 10 AM to 10 PM CDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

• ADDITIONAL DETAILS...Overnight heat index values in the mid to upper 70s will provide little relief.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS Omaha/Valley NE

Heat Advisory (ADVISORY) - expires July 20, 2026 at 11:00 PM EDT

Areas affected: Knox; Cedar; Antelope; Pierce

Heat Advisory issued July 18 at 9:08PM CDT until July 20 at 10:00PM CDT by NWS Omaha/Valley NE

• WHAT...Heat index values up to 105 expected Sunday. Heat index values 105 to 110 on Monday.

• WHERE...Antelope, Cedar, Knox, and Pierce Counties.

• WHEN...From noon Sunday to 10 PM CDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

• ADDITIONAL DETAILS...Overnight heat index values in the mid to upper 70s will provide little relief.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS Omaha/Valley NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 5:00 AM EDT

Areas affected: Sheridan

Heat Advisory issued July 18 at 12:36PM CDT until July 19 at 10:00PM CDT by NWS North Platte NE

• WHAT...Heat index values up to 100 expected.

• WHERE...Sheridan County.

• WHEN...From 10 AM to 9 PM MDT Sunday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS North Platte NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 5:00 AM EDT

Areas affected: Thomas; McPherson; Logan; Custer; Keith; Perkins; Lincoln; Chase; Hayes; Frontier

Heat Advisory issued July 18 at 12:36PM CDT until July 20 at 9:00PM CDT by NWS North Platte NE

• WHAT...Heat index values up to 104 expected.

• WHERE...Portions of central, north central, southwest, and west central Nebraska.

• WHEN...From 11 AM CDT /10 AM MDT/ to 9 PM CDT /8 PM MDT/ Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS North Platte NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 5:00 AM EDT

Areas affected: Garden; Grant; Hooker; Arthur; Deuel

Heat Advisory issued July 18 at 12:36PM CDT until July 20 at 9:00PM CDT by NWS North Platte NE

• WHAT...Heat index values up to 101 expected.

• WHERE...Portions of panhandle and west central Nebraska.

• WHEN...From 10 AM to 8 PM MDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS North Platte NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 5:00 AM EDT

Areas affected: Eastern Cherry; Keya Paha; Boyd; Brown; Rock; Holt; Blaine; Loup; Garfield; Wheeler; Western Cherry

Heat Advisory issued July 18 at 12:36PM CDT until July 20 at 9:00PM CDT by NWS North Platte NE

• WHAT...Heat index values up to 105 expected.

• WHERE...A portion of north central Nebraska.

• WHEN...From 11 AM CDT /10 AM MDT/ Sunday to 9 PM CDT /8 PM MDT/ Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Source: NWS North Platte NE

Heat Advisory (ADVISORY) - expires July 19, 2026 at 8:00 AM EDT

Areas affected: Dawes; North Sioux

Heat Advisory issued July 18 at 10:17AM MDT until July 20 at 6:00PM MDT by NWS Cheyenne WY

• WHAT...Afternoon temperatures in the upper 90's to low 100's with overnight lows in the mid 60's to low 70's.

• WHERE...Dawes County and Northern Sioux County.

• WHEN...Until 6 PM MDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Source: NWS Cheyenne WY

Heat Advisory (ADVISORY) - expires July 19, 2026 at 8:00 AM EDT

Areas affected: Box Butte; Scotts Bluff; Banner; Morrill; South Sioux; Converse County Lower Elevations; Niobrara County; Goshen County

Heat Advisory issued July 18 at 10:17AM MDT until July 20 at 6:00PM MDT by NWS Cheyenne WY

• WHAT...Afternoon temperatures in the upper 90's to low 100's with overnight lows in the mid 60's to low 70's.

• WHERE...In Nebraska, Banner County, Box Butte County, Morrill County, Scotts Bluff County, and Southern Sioux County. In Wyoming, Converse County Lower Elevations, Niobrara County, and Goshen County.

• WHEN...From noon Sunday to 6 PM MDT Monday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What to do: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Source: NWS Cheyenne WY

Source

Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.