Galesburg, Illinois Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Galesburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——84°68°—
- MondayJul 6Mostly Clear——85°65°+1°
- TuesdayJul 7Clear——89°65°+4°
- WednesdayJul 8Partly Cloudy——83°66°-6°
- ThursdayJul 9T-storm w/ Hail45%—81°69°-2°
- FridayJul 10Drizzle45%—82°69°+1°
- SaturdayJul 11Thunderstorm29%0.01″81°69°-1°
AQI 34 (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.
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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:42 PM
- Moonset
- 12:21 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Galesburg at a glance
- Today vs. normal: 69°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP codes: 61401, 61402
16-Day Forecast — Galesburg
- Sun84°68°5%
- Mon85°65°1%
- Tue89°65°0%
- Wed83°66°3%
- Thu81°69°45%
- Fri82°69°45%
- Sat81°69°29%
- Sun85°68°9%
- Mon88°71°3%
- Tue79°66°7%
- Wed80°62°16%
- Thu79°62°27%
- Fri73°64°26%
- Sat74°65°23%
- Sun78°61°16%
- Mon80°64°16%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Galesburg
SPC includes Galesburg 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 Galesburg
- 61401
- 61402