Topeka, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Topeka weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°70°—
- MondayJul 6Overcast——83°68°-2°
- TuesdayJul 7Overcast——82°64°-1°
- WednesdayJul 8Overcast——86°65°+4°
- ThursdayJul 9T-storm w/ Hail40%1.0″87°69°+1°
- FridayJul 10Light Drizzle45%—81°72°-6°
- SaturdayJul 11Light Showers22%0.17″84°69°+3°
AQI 26 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 42 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 42 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 26 around 1 PM.
- Present
- AQI 42
- UV peak
- 4.7 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 26
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:18 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Topeka at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61567
16-Day Forecast — Topeka
- Sun85°70°5%
- Mon83°68°3%
- Tue82°64°1%
- Wed86°65°3%
- Thu87°69°40%
- Fri81°72°45%
- Sat84°69°22%
- Sun87°70°13%
- Mon91°71°5%
- Tue92°76°3%
- Wed79°64°6%
- Thu78°55°24%
- Fri83°63°24%
- Sat87°68°27%
- Sun89°73°26%
- Mon91°73°23%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Topeka
SPC includes Topeka in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Topeka
- 61567