Indianapolis IN Weather Alert: Showers and Thunderstorms Halt Midweek Travel on I-65 and I-70 by Wednesday Morning

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Indiana – Bright sunshine and a surprisingly warm start greet central Indiana this morning, but a much wetter spring pattern is already lining up for midweek travel across Indianapolis. Pavement is dry now, yet conditions will change quickly as multiple storm rounds arrive Tuesday night and intensify toward Wednesday morning.

According to the National Weather Service in Indianapolis, temperatures surge to around 72°F today under sunny skies with southwest winds between 7 and 15 mph, occasionally gusting near 23 mph. The warmth marks a clear early-March spring signal across much of Indiana, but it also fuels instability that could trigger scattered storms over the next 48 hours.

Clouds begin increasing tonight with patchy drizzle developing after sunset. Temperatures hold unusually mild near 62°F, keeping road surfaces wet rather than icy. Still, drivers should watch for slick pavement during the evening commute, especially on I-65, I-70, and I-465 where visibility may briefly dip in drizzle.

Storm chances ramp up Tuesday afternoon as isolated showers and thunderstorms pop up after 2 p.m. Temperatures climb near 75°F, adding humidity that strengthens storm cells moving across central Indiana.

The most impactful weather arrives Tuesday night into early Wednesday. Meteorologists expect numerous showers and thunderstorms with rainfall totals between 0.75 and 1 inch across Indianapolis and nearby counties including Hamilton, Hendricks, and Johnson. Wind gusts could approach 30 mph as storms pass through before the morning commute.

Expect periods of heavy rain Wednesday morning. Wet roads and slower travel are likely across major corridors including I-69 and U.S. 31. Keep umbrellas nearby and allow extra time for school and work travel.

After the storm system exits, cooler air arrives late week with sunshine returning Thursday. However, early signs show warmer-than-normal temperatures building again toward next weekend as spring steadily gains ground ahead of the March 20 seasonal change.

Traveling for spring break later this month? Keep checking updates as additional storm systems may track across the Midwest this week.

Five Day Outlook for Indianapolis, Indiana

Monday: Sunny and warm. High 72°F.
Tuesday: Patchy drizzle early, isolated storms later. High 75°F.
Wednesday: Widespread showers and storms. High 70°F.
Thursday: Sunny and cooler. High 48°F, breezy.
Friday: Mostly cloudy with slight rain chance. High 57°F.