Eureka, IN Weather Forecast

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Eureka, IN Weather Forecast

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Eureka IN weather  - Light Rain - 74°F
Light Rain
74°F
Updated 4:04 am
Feels Like 79°F
Humidity 100%
Wind NE 3 mph
Barometer  29.96 in
Dew Point 74°F
Eureka IN weather  - Light Rain - 23°C
Light Rain
23°C
Updated 4:04 am
Feels Like 26°C
Humidity 100%
Wind NE 5 km/h
Barometer  101.4 kPa
Dew Point 23°C

Eureka Weather Forecast

OVERNIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY
Eureka, IN Weather - Overnight Chance Of T-Storm Eureka, IN Weather - Friday Chance Of T-Storm Eureka, IN Weather - Friday Night Chance Of Showers Eureka, IN Weather - Saturday Chance Of T-Storm Eureka, IN Weather - Saturday Night Chance Of Showers Eureka, IN Weather - Sunday Mostly Sunny Eureka, IN Weather - Sunday Night Mostly Clear Eureka, IN Weather - Monday Mostly Clear Eureka, IN Weather - Monday Night Clear Eureka, IN Weather - Tuesday Mostly Clear Eureka, IN Weather - Tuesday Night Mostly Clear Eureka, IN Weather - Wednesday Chance Of Showers
Chance of T-Storm Chance of T-Storm Chance of Showers Chance of T-Storm Chance of Showers Mostly Sunny Mostly Clear Mostly Clear Clear Mostly Clear Mostly Clear Chance of Showers
Lo: 69°FLo: 21°C Hi: 81°FHi: 27°C
Lo: 69°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 69°FLo: 21°C Hi: 89°FHi: 32°C
Hi: 89°FHi: 32°C
Lo: 65°FLo: 18°C
Hi: 89°FHi: 32°C
Lo: 65°FLo: 18°C
Lo: 69°FLo: 21°C Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C
Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C
Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C
POP: 50% POP: 40% POP: 50% POP: 70% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Fri Sep 11 2026 Eureka, IN Weather - WeatherWorld.com

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Issued: 1251 AM CDT Fri Sep 11 2026

Key Messages

  • Unsettled conditions will continue through Saturday, with chances of showers and storms today from 20% north to 60% south, and tonight from 20% west of 60% east. Chances Saturday from 30-70% will be mainly east of the Mississippi River.
  • Dry conditions will return Saturday night through early Tuesday, then chances of showers and storms will slowly increase from north to south from late Tuesday through Thursday.
  • After a brief return of near seasonal temperatures today in the 80s, above...