Milton, Illinois Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Milton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Light Drizzle32%0.03″79°60°—
- WednesdayJun 17Thunderstorm49%0.07″90°60°+11°
- ThursdayJun 18Light Drizzle——72°61°-18°
- FridayJun 19Overcast——76°57°+4°
- SaturdayJun 20Overcast18%—80°60°+4°
- SundayJun 21Showers73%0.30″73°61°-7°
- MondayJun 22Overcast60%—74°55°+1°
AQI 48 (Good), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 43 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 0.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 10 around 1 PM.
- Present
- AQI 43
- UV peak
- 0.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 10
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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:04 AM
- Moonset
- 10:38 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Milton at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Milton
- Tue79°60°32%
- Wed90°59°49%
- Thu72°61°4%
- Fri76°57°1%
- Sat80°60°18%
- Sun73°61°73%
- Mon74°55°60%
- Tue67°57°12%
- Wed76°62°10%
- Thu81°61°17%
- Fri89°67°21%
- Sat93°74°52%
- Sun91°71°27%
- Mon91°73°52%
- Tue92°72°44%
- Wed79°71°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Milton
SPC has placed Milton in the Enhanced Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWENHEnhanced Risk
- DAY 3NONENo severe risk
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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 Milton
- 62352