INDIANAPOLIS | CGN News is publishing the Daily Weather Brief from official National Weather Service forecast data for Indianapolis, northwest Indiana, Chicago, St. Louis and Ozark County coverage areas.
Today and tonight
Indianapolis: Isolated Rain Showers then Mostly Sunny; high/low 93/75°F. Today — Isolated Rain Showers then Mostly Sunny; near 93°F; wind 3 to 8 mph S; Isolated rain showers before 7am. Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 3 to 8 mph. Chance of precipitation is 20%. Tonight — Partly Cloudy; near 75°F; wind 5 to 9 mph SSW; Partly cloudy. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 103. South southwest wind 5 to 9 mph.
Crown Point: Partly Cloudy; high/low 92/74°F. Overnight — Partly Cloudy; near 74°F; wind 10 mph SSE; Partly cloudy, with a low around 74. South southeast wind around 10 mph. Monday — Mostly Sunny; near 92°F; wind 10 to 15 mph S; Mostly sunny. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 25 mph.
Valparaiso: Partly Cloudy; high/low 91/74°F. Overnight — Partly Cloudy; near 74°F; wind 10 mph SSE; Partly cloudy, with a low around 74. South southeast wind around 10 mph. Monday — Mostly Sunny; near 91°F; wind 10 to 15 mph S; Mostly sunny. High near 91, with temperatures falling to around 89 in the afternoon. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 25 mph.
Rensselaer: Mostly Cloudy; high/low 91/74°F. Overnight — Mostly Cloudy; near 74°F; wind 5 mph SSE; Mostly cloudy, with a low around 74. South southeast wind around 5 mph. Monday — Partly Sunny; near 91°F; wind 5 to 15 mph S; Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 25 mph.
Kentland: Mostly Cloudy; high/low 91/74°F. Overnight — Mostly Cloudy; near 74°F; wind 5 mph S; Mostly cloudy, with a low around 74. South wind around 5 mph. Monday — Partly Sunny; near 91°F; wind 5 to 15 mph S; Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 15 mph, with gusts as high as 25 mph.
Chicago: Partly Cloudy; high/low 94/72°F. Overnight — Partly Cloudy; near 72°F; wind 10 mph SSE; Partly cloudy. Low around 72, with temperatures rising to around 74 overnight. South southeast wind around 10 mph, with gusts as high as 20 mph. Monday — Mostly Sunny; near 94°F; wind 10 to 15 mph S; Mostly sunny, with a high near 94. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.
St. Louis: Mostly Cloudy; high/low 97/76°F. Overnight — Mostly Cloudy; near 76°F; wind 6 mph S; Mostly cloudy, with a low around 76. South wind around 6 mph. Monday — Mostly Sunny; near 97°F; wind 6 to 12 mph S; Mostly sunny, with a high near 97. Heat index values as high as 109. South wind 6 to 12 mph, with gusts as high as 21 mph.
Gainesville: Mostly Clear; high/low 92/75°F. Overnight — Mostly Clear; near 75°F; wind 3 mph S; Mostly clear. Low around 75, with temperatures rising to around 77 overnight. South wind around 3 mph. Monday — Sunny; near 92°F; wind 3 to 10 mph S; Sunny, with a high near 92. Heat index values as high as 101. South wind 3 to 10 mph, with gusts as high as 21 mph.
Tecumseh: Mostly Clear; high/low 92/76°F. Overnight — Mostly Clear; near 76°F; wind 3 mph S; Mostly clear, with a low around 76. South wind around 3 mph. Monday — Sunny; near 92°F; wind 3 to 9 mph S; Sunny. High near 92, with temperatures falling to around 90 in the afternoon. Heat index values as high as 101. South wind 3 to 9 mph, with gusts as high as 21 mph.
Forecasts can change quickly. Readers should check current National Weather Service forecasts, warnings and local emergency information before travel, outdoor work, school activities or public events.
Heat planning note
Several listed locations include heat-index values high enough to affect outdoor work, commuting, youth sports, pets, older adults and people without reliable cooling. This brief is a planning snapshot and should be checked against current National Weather Service alerts before any outdoor activity or travel decision.
Update note: This article has been updated for clarity, public-facing formatting and reader context. The update preserves the listed author, category, image, image credit and publication status.
Additional Reporting By: National Weather Service; NOAA