Fort Wayne, Indiana – Summer heat will crank up across northeast Indiana this weekend, but not without a few thunderstorm interruptions along the way.
According to the National Weather Service in Northern Indiana, Thursday will bring a quiet start, with highs near 86°F and calm winds — but by Friday afternoon, storm chances tick upward. A 20% chance of showers and thunderstorms develops after 2 p.m. Friday in Fort Wayne, with highs soaring to 88°F. Storm activity could disrupt afternoon travel on I-69 and local streets through Friday evening.
Saturday is shaping up to be the peak of the heat, with highs pushing 90°F and a 70% chance of showers and thunderstorms after 2 p.m. NWS forecasters say these storms could linger into Saturday night, bringing heavy rainfall and lightning risks. Drivers should avoid flooded roads and monitor alerts for sudden downpours. Keep devices charged and outdoor plans flexible, especially late Saturday.
By Sunday, storm chances drop to 20% before 8 a.m., with another slight chance returning in the afternoon. Highs hold steady near 87°F, maintaining heat stress concerns. Light evening showers may pop up again Sunday night.
The unsettled pattern continues into Monday and Tuesday, with highs in the upper 80s and daily storm chances persisting. Monday night and Tuesday bring additional opportunities for afternoon lightning and brief downpours.
Stay weather-aware as July heat collides with unstable skies — and expect more updates as weekend storms develop.
