Misty Mornings and Unseasonable Mildness: A Grey but Warm Tuesday for the Circle City

Morning: A Foggy Start for Commuters

Indianapolis residents waking up this Tuesday, February 17, 2026, are greeted by a heavy blanket of grey. Following a period of record-setting warmth in the region, the atmospheric moisture has settled into a thick layer of clouds and mist. For those heading out on I-465 or through the downtown corridor, visibility is the primary concern. A Dense Fog Advisory has been noted for portions of east-central Indiana, including nearby Union and Wayne counties, with local visibility in the metro area dropping significantly during the early hours.

Temperatures this morning are starting in the upper 30s, around 39°F, which is notably mild for a February morning in the Crossroads of America. While the air feels damp, significant precipitation is not expected until much later in the day. Drivers are encouraged to use low-beam headlights and allow for extra following distance as the fog lingers through the mid-morning hours.

Afternoon: Overcast Skies and Spring-Like Temperatures

As we move into the afternoon, the fog is expected to lift, giving way to a persistently overcast sky. Despite the lack of sunshine, the city will experience a significant temperature climb. Forecasts indicate a high reaching between 55°F and 58°F. This unseasonable warmth continues the trend of a milder-than-average February, making it a great day for a walk along the Cultural Trail, provided you don't mind the lack of blue skies.

• High Temperature: 55°F - 58°F
• Sky Conditions: Overcast/Mostly Cloudy
• Wind: Sustained south winds at approximately 9 mph
• Humidity: High, hovering around 65% to 74%

Evening: Thickening Clouds and Late Sprinkles

By the evening commute, the clouds will likely thicken further as a weak weather system approaches from the west. While most of the daylight hours will remain dry, there is a roughly 23% to 25% chance of light sprinkles or drizzle developing after sunset. These showers are expected to be light and scattered, with total rainfall accumulations reaching only about 0.02 inches.

The overnight low will remain quite high for the season, only dipping to around 38°F or 40°F. This prevents any concerns regarding freezing rain or ice during the late-night hours. However, the damp conditions and light southerly breeze will keep the air feeling heavy. Looking ahead, residents should keep their umbrellas handy for Wednesday, as the chance of more significant rainfall is expected to increase as the week progresses.