Eureka, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Eureka, MO in one place.
A chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 107. Southeast wind around 2 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Eureka, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 4:13 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Eureka, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 4:13 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Eureka
Thursday looks like the warmest upcoming period in Eureka at 96 degrees F.
Sunday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Saturday at about 2 to 6 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 4:13 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. South wind around 1 mph. Chance of precipitation is 20%.
Sunny, with a high near 96.
Mostly clear, with a low around 71.
Sunny, with a high near 94.
Mostly clear, with a low around 70.
Mostly sunny, with a high near 93.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Showers And Thunderstorms
|
95°F |
2 mph
SE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
73°F |
1 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
96°F |
3 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
71°F |
0 mph
|
|
Friday
Sep 18
|
Sunny
|
94°F |
2 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
70°F |
2 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
93°F |
2 to 6 mph
SW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
67°F |
3 mph
SW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
83°F |
2 to 6 mph
NW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
61°F |
1 to 5 mph
N
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
76°F |
2 to 6 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Eureka.