Montrose, Illinois Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Montrose weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle33%—89°72°—
- SundayJul 5Light Drizzle32%0.05″84°71°-5°
- MondayJul 6Light Drizzle10%—82°68°-2°
- TuesdayJul 7Mostly Clear——82°63°0°
- WednesdayJul 8Light Drizzle——85°66°+3°
- ThursdayJul 9Drizzle42%—83°71°-2°
- FridayJul 10Thunderstorm42%0.02″83°69°0°
AQI 49 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.89 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
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 30. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 5.9 µg/m³ (AQI 33) with a 0.89 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:11 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Montrose at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62445
16-Day Forecast — Montrose
- Sat89°72°33%
- Sun84°71°32%
- Mon82°68°10%
- Tue82°63°3%
- Wed85°66°5%
- Thu83°71°42%
- Fri83°69°42%
- Sat78°64°23%
- Sun77°61°13%
- Mon81°59°5%
- Tue84°62°5%
- Wed85°68°19%
- Thu83°66°17%
- Fri83°68°32%
- Sat89°75°32%
- Sun88°76°25%
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 — Montrose
SPC has placed Montrose in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Montrose
- 62445