Catlin, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Catlin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy15%—82°71°—
- MondayJul 6Overcast12%—79°66°-3°
- TuesdayJul 7Overcast——80°64°+1°
- WednesdayJul 8Overcast——82°64°+2°
- ThursdayJul 9Showers53%0.16″83°67°+1°
- FridayJul 10Thunderstorm53%—85°73°+2°
- SaturdayJul 11Thunderstorm26%—79°70°-6°
AQI 26 (Good), driven by Ozone. Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~70%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 5.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 14
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
- 11:08 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Catlin at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61817
16-Day Forecast — Catlin
- Sun82°71°15%
- Mon79°66°12%
- Tue80°64°3%
- Wed82°64°4%
- Thu83°67°53%
- Fri85°73°53%
- Sat79°70°26%
- Sun85°67°15%
- Mon86°69°5%
- Tue88°75°4%
- Wed79°59°7%
- Thu78°55°23%
- Fri81°59°19%
- Sat85°64°39%
- Sun84°70°42%
- Mon86°69°32%
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 — Catlin
SPC includes Catlin in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Catlin
- 61817