Polk, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Polk, IL in one place.
Showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Polk, 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: Aug 10, 2026 4:41 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Polk, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 4:41 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Polk
Wednesday looks like the warmest upcoming period in Polk at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 4:41 AM CDT
- Coverage
- 6 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
Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. North wind 0 to 5 mph. Chance of precipitation is 70%.
Rain showers likely before 10am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67.
A chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 79.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
A chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
A chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Showers And Thunderstorms Likely
|
82°F |
5 to 10 mph
SSW
|
|
Tuesday Night
Aug 11
|
Showers And Thunderstorms Likely
|
67°F |
0 to 5 mph
N
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
83°F |
5 mph
N
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
67°F |
0 to 5 mph
NE
|
|
Thursday
Aug 13
|
Chance Showers And Thunderstorms
|
79°F |
0 to 5 mph
ENE
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms
|
62°F |
5 mph
NE
|
|
Friday
Aug 14
|
Chance Showers And Thunderstorms
|
76°F |
5 to 10 mph
ENE
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
E
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
SSE
|
|
Saturday Night
Aug 15
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SSW
|
|
Sunday
Aug 16
|
Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Polk.