Wright County will be under a Severe Heat Advisory until 1 a.m. Tuesday. Air temperatures are expected to reach near 100 degrees today with a heat index approaching 105 degrees. Those with health conditions are strongly encouraged to stay indoors today in cooler places. Those are have to be outside for extended periods are urged to hydrate regularly and take frequent breaks from the heat if possible. Temperatures are expected to remain in the mid-90s after sunset with the potential for strong thunderstorms coming overnight.