Bismarck, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bismarck weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain52%0.19″89°71°—
- SundayJul 5Overcast18%—83°69°-6°
- MondayJul 6Light Drizzle10%—83°66°0°
- TuesdayJul 7Partly Cloudy——81°62°-2°
- WednesdayJul 8Clear13%—82°63°+1°
- ThursdayJul 9Thunderstorm36%0.08″83°68°+1°
- FridayJul 10Light Drizzle33%—77°69°-6°
AQI 28 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 35 now. With UV 5.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35 now. With UV 5.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 35
- UV peak
- 5.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 6.2 µg/m³, PM10 at 6.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 10:46 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Bismarck at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61814
16-Day Forecast — Bismarck
- Sat89°71°52%
- Sun83°69°18%
- Mon83°66°10%
- Tue81°62°7%
- Wed82°63°13%
- Thu83°68°36%
- Fri77°69°33%
- Sat83°66°25%
- Sun71°58°9%
- Mon70°58°8%
- Tue77°59°11%
- Wed81°62°24%
- Thu82°65°27%
- Fri82°69°29%
- Sat85°70°26%
- Sun82°71°39%
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 — Bismarck
SPC has placed Bismarck 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 Bismarck
- 61814