Plattville, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Plattville, IL in one place.
Sunny, with a high near 92. West northwest wind 0 to 5 mph, with gusts as high as 10 mph.
Local Weather Overview
This forecast page for Plattville, IL 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: Jul 12, 2026 8:28 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Plattville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 8:28 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Plattville
Tuesday looks like the warmest upcoming period in Plattville at 92 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 8:28 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
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 72.
Sunny, with a high near 92.
Mostly clear, with a low around 70.
Sunny, with a high near 90.
Mostly clear, with a low around 70.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 71.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
0 to 5 mph
WNW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
5 mph
WNW
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
5 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
0 to 5 mph
N
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
0 to 5 mph
WNW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
70°F |
5 mph
SSE
|
|
Friday
Jul 17
|
Mostly Sunny
|
90°F |
5 to 10 mph
S
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
71°F |
10 mph
SSW
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
90°F |
10 to 15 mph
SW
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
70°F |
10 to 15 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plattville.