Foster, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Foster, MO in one place.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Heat index values as high as 103. South southwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Foster, 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: Jun 8, 2026 7:24 PM CDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Foster, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 7:24 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Foster
Tuesday looks like the warmest upcoming period in Foster at 90 degrees F.
Thursday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Thursday at about 14 to 22 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 7:24 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 74. Heat index values as high as 103. South southwest wind around 15 mph, with gusts as high as 28 mph.
Sunny, with a high near 89. South southwest wind 15 to 20 mph, with gusts as high as 33 mph.
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 40%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 60%.
A slight chance of rain showers. Mostly sunny, with a high near 82.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Chance Showers And Thunderstorms then Mostly Sunny
|
90°F |
9 to 16 mph
SSW
|
|
Tuesday Night
Jun 9
|
Mostly Clear
|
74°F |
15 mph
SSW
|
|
Wednesday
Jun 10
|
Sunny
|
89°F |
15 to 20 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
73°F |
13 to 16 mph
SSW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
88°F |
14 to 22 mph
SSW
|
|
Thursday Night
Jun 11
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
62°F |
2 to 12 mph
NW
|
|
Friday
Jun 12
|
Slight Chance Rain Showers
|
82°F |
2 to 6 mph
NNE
|
|
Friday Night
Jun 12
|
Chance Showers And Thunderstorms
|
65°F |
5 mph
SE
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms
|
84°F |
3 to 9 mph
S
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
67°F |
3 to 7 mph
ESE
|
|
Sunday
Jun 14
|
Chance Showers And Thunderstorms
|
80°F |
6 to 10 mph
ENE
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
62°F |
3 to 9 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Foster.