Extreme heat warning and thunderstorm watch issued for region Emergency Information 07/27/2025 04:03 PM (PDT) Split Rock Township, SD 57005Weather message for the following counties in Iowa, Lion and Sioux, and Rock, Minnesota, and the following counties in South Dakota, Lake, McCook, Minnieaha, Turner and Lincoln. Extreme heat warning remains in effect until 8 p.m. this evening. Extreme heat warning in effect from noon to 8 p.m. Monday. What? For the first extreme heat warning, dangerously hot conditions with heat index values up to 110. For the second extreme heat warning, dangerously hot conditions with heat index values up to 112 expected. Where, portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and south-central and southeast South Dakota. When, for the first extreme heat warning, until 8 p.m. this evening. For the second extreme heat warning, from noon to 8 p.m. Monday. Impacts. Heat-related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose-sitting 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 recommend scheduling frequent rest breaks and shaded or air-condition environments. Anyone overcome my heat should be moved to a cool and shaded location. Heat stroke is an emergency. Call 911. A weather message. For the following counties, in Minnesota, Nobles and Pynestone, and Moody, South Dakota. Extreme Heat Warning remains in effect until 8 p.m. this evening, heat advisory in effect from noon to 8 p.m. Monday. What? For the extreme heat warning, dangerously hot conditions with heat index values up to 110. For the heat advisory, heat index values up to 105 expected. Where? portions of southwest Minnesota and east central South Dakota. When, for the extreme heat warning, until 8 p.m. this evening. For the heat advisory, from noon to 8 p.m. Monday. Impacts, heat-related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. Drink plenty of fluids. Stay in an air-conditioned room. Stay out of the sun. and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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 need stroke. To reduce risk during outdoor work. The Occupational Safety and Health Administration recommends scheduling frequent less breaks and shaded or air-condition environments. Anyone overcome my heat should be moved to a cool and shaded location. Heat stroke is an emergency. Call 911. The National Weather Service has issued severe with thunderstorm watch number 548, effective until midnight Monday. This watch includes the following counties, in Minnesota, Nobles, Pipestone and Rock. in the following counties, in South Dakota, Lake, McCook, Mini Haha and Moody. Remember, a severe thunderstorm watch means the conditions are favorable for the development of severe weather, including large hail and damaging winds, in, and close to the watch area. While severe weather may not be imminent, persons should remain alert for rapidly change in weather conditions, and listen for later statements and possible warnings. Stay tuned to NOAA Weather Radio. commercial radio and television outlets, or internet sources for the latest severe weather information. The current time is 608 p.m. Central Daylight Time. Operating on a frequency of 162.40 megahertz, this is NOAA Weather Radio Station WXN28, broadcasting from a transmitter near Rwina, South Dakota. Our program originates from the National Weather Service in Sioux Falls. and serves the surrounding tri-state area. Your National Weather Service forecast for Sioux Falls and the surrounding tri-state area. Extreme heat warning in effect until 8 p.m. this evening. Severe thunderstorm watch 548 in effect until midnight tonight. Extreme heat warning in effect from noon to 8 p.m. Monday. Tonight, mostly clear with a chance of thunderstorms with a slight chance of showers this evening. then partly cloudy with a chance of showers and thunderstorms after midnight. Some thunderstorms may be severe with damaging winds and large hail this evening. Lowes around 70. Southeast winds 10 to 15 miles an hour. Gusts up to 30 miles an hour this evening. Chance of rain 40%. Heat index values up to 105 early this evening. Monday, sunny with highs in the lower 90s. Southeast winds 10 to 15 miles an hour. Heat index values up to 109 in the afternoon. Monday night, mostly cloudy with a chance of thunderstorms. A chance of showers. humid with lows in the upper 60s. Southeast winds 10 to 15 miles an hour, becoming east after midnight. Chance of rain 50%.