Topeka, IL Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Topeka, IL in one place.
Partly cloudy, with a low around 73. South southwest wind around 6 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Topeka, 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 12, 2026 5:07 AM CDT.
The active forecast window currently covers Aug 12 to Aug 18, 2026 for Topeka, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 18, 2026
- Latest sync
- Aug 12, 2026 5:07 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Topeka
Saturday looks like the warmest upcoming period in Topeka at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 8 mph SSE.
Precipitation is mentioned in 14 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 12, 2026 5:07 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms after 9am. Partly sunny, with a high near 86. South southeast wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East southeast wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 71. East northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 88. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East southeast wind around 5 mph, with gusts as high as 16 mph.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
A slight chance of rain showers after 1am. Mostly clear, with a low around 74.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 82.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 64.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 12
|
Partly Cloudy
|
73°F |
6 mph
SSW
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
86°F |
8 mph
SSE
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
70°F |
6 mph
ESE
|
|
Thursday
Aug 13
|
Chance Showers And Thunderstorms
|
86°F |
5 to 8 mph
ESE
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
71°F |
6 mph
ENE
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
88°F |
5 mph
E
|
|
Friday Night
Aug 14
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
5 mph
ESE
|
|
Saturday
Aug 15
|
Slight Chance Showers And Thunderstorms
|
92°F |
5 mph
S
|
|
Saturday Night
Aug 15
|
Mostly Clear then Slight Chance Rain Showers
|
74°F |
5 mph
SW
|
|
Sunday
Aug 16
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
6 mph
WNW
|
|
Sunday Night
Aug 16
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
N
|
|
Monday
Aug 17
|
Slight Chance Rain Showers then Mostly Sunny
|
82°F |
3 mph
NNE
|
|
Monday Night
Aug 17
|
Partly Cloudy then Slight Chance Rain Showers
|
64°F |
2 mph
ENE
|
|
Tuesday
Aug 18
|
Slight Chance Rain Showers then Mostly Sunny
|
82°F |
2 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Topeka.