Greendale, MO Weather Forecast
Local 7-day forecast
Chance Rain Showers then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Greendale, MO in one place.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 94. Heat index values as high as 103. Southeast wind around 5 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Greendale, 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 10:50 PM CDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Greendale, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 15, 2026 10:50 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greendale
Thursday looks like the warmest upcoming period in Greendale at 98 degrees F.
Monday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 6 to 9 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 10:50 PM CDT
- Coverage
- 7 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 8pm. Partly cloudy, with a low around 79. Heat index values as high as 101. South wind around 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 98. Heat index values as high as 105. West wind around 6 mph.
Partly cloudy, with a low around 76. Southeast wind around 3 mph.
Sunny, with a high near 97.
Mostly clear, with a low around 76.
Mostly sunny, with a high near 97.
A chance of rain showers after 1am. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of rain showers before 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
94°F |
5 mph
SE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
79°F |
5 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
6 mph
W
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
76°F |
3 mph
SE
|
|
Friday
Sep 18
|
Sunny
|
97°F |
5 mph
SE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
76°F |
6 mph
S
|
|
Saturday
Sep 19
|
Mostly Sunny
|
97°F |
6 to 9 mph
SW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Chance Rain Showers
|
74°F |
6 mph
SW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
92°F |
5 to 8 mph
W
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
69°F |
8 mph
N
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
82°F |
8 mph
NW
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
65°F |
8 mph
N
|
|
Tuesday
Sep 22
|
Partly Sunny then Slight Chance Rain Showers
|
80°F |
7 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greendale.