Topeka, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Topeka, IL in one place.
Mostly sunny, with a high near 77. Southwest wind around 8 mph, with gusts as high as 20 mph.
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: Apr 21, 2026 9:17 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Topeka, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:17 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Topeka
Thursday looks like the warmest upcoming period in Topeka at 82 degrees F.
Saturday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Thursday at about 6 to 16 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:17 AM CDT
- Coverage
- 6 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
Mostly clear, with a low around 58. South wind around 7 mph, with gusts as high as 16 mph.
Mostly sunny, with a high near 82. South wind 6 to 16 mph, with gusts as high as 30 mph.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind 12 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 74. West southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 51. Chance of precipitation is 50%.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 48.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Mostly Sunny
|
77°F |
8 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
58°F |
7 mph
S
|
|
Thursday
Apr 23
|
Mostly Sunny
|
82°F |
6 to 16 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
61°F |
12 to 15 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
74°F |
10 mph
WSW
|
|
Friday Night
Apr 24
|
Chance Showers And Thunderstorms
|
51°F |
8 mph
NNW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
71°F |
9 mph
NNE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
48°F |
8 mph
NE
|
|
Sunday
Apr 26
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
72°F |
6 to 9 mph
E
|
|
Sunday Night
Apr 26
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
54°F |
9 mph
E
|
|
Monday
Apr 27
|
Chance Showers And Thunderstorms
|
71°F |
12 mph
SE
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
51°F |
10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Topeka.