Arrowsmith, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Arrowsmith weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain72%0.11″87°69°—
- SundayJul 5Drizzle23%0.03″79°68°-8°
- MondayJul 6Partly Cloudy——80°64°+1°
- TuesdayJul 7Overcast——79°60°-1°
- WednesdayJul 8Overcast18%—81°62°+2°
- ThursdayJul 9Thunderstorm35%0.05″82°68°+1°
- FridayJul 10Overcast35%—77°68°-5°
AQI 30 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
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
- 10:50 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Arrowsmith at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61722
16-Day Forecast — Arrowsmith
- Sat87°69°72%
- Sun79°68°23%
- Mon80°64°7%
- Tue79°60°6%
- Wed81°62°18%
- Thu82°68°35%
- Fri77°68°35%
- Sat81°64°18%
- Sun70°58°10%
- Mon72°55°7%
- Tue76°58°11%
- Wed78°62°23%
- Thu80°65°23%
- Fri80°69°20%
- Sat84°69°24%
- Sun81°71°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Arrowsmith
SPC has placed Arrowsmith in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Arrowsmith
- 61722