Ironton, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ironton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain44%1.2″83°61°—
- SundayJul 5Overcast——84°59°+1°
- MondayJul 6Overcast29%—85°62°+1°
- TuesdayJul 7T-storm w/ Hail50%0.68″88°66°+3°
- WednesdayJul 8Heavy Showers62%3.2″70°61°-18°
- ThursdayJul 9Overcast37%—77°57°+7°
- FridayJul 10Light Drizzle13%—80°57°+3°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.79 fine-to-coarse ratio and 5 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 40. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 3.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.79 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.79
- Wind
- light
- 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
- 11:21 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ironton at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: May 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56455
16-Day Forecast — Ironton
- Sat83°61°44%
- Sun84°59°8%
- Mon85°62°29%
- Tue88°66°50%
- Wed70°61°62%
- Thu77°57°37%
- Fri80°57°13%
- Sat67°60°13%
- Sun77°51°14%
- Mon77°54°11%
- Tue80°58°9%
- Wed78°60°12%
- Thu80°56°14%
- Fri85°61°19%
- Sat84°58°23%
- Sun91°68°24%
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 — Ironton
SPC has placed Ironton in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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 Ironton
- 56441
- 56455