Mandan, North Dakota Weather
Lesser ripening, greater heat. Day 91 of spring. Read this microseason across nine climate regions →
Mandan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 18Overcast11%—72°48°—
- FridayJun 19Light Rain43%0.09″68°52°-4°
- SaturdayJun 20Overcast——75°48°+7°
- SundayJun 21Overcast21%—70°53°-5°
- MondayJun 22Heavy Drizzle29%0.03″68°53°-2°
- TuesdayJun 23Overcast29%—68°47°0°
- WednesdayJun 24Partly Cloudy10%—77°50°+9°
AQI 32 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.98 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
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.98 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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).








































Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 9:43 AM
- Moonset
- 12:22 AM
- In sign
- ♌︎ Leo
Lesser ripening, greater heat
Mandan at a glance
- Today vs. normal: 17°F below the seasonal normal for this latitude
- Last frost: May 27 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Mandan
- Thu72°48°11%
- Fri68°52°43%
- Sat75°48°4%
- Sun70°53°21%
- Mon68°53°29%
- Tue68°47°29%
- Wed77°50°10%
- Thu78°54°18%
- Fri71°56°18%
- Sat73°55°26%
- Sun82°53°25%
- Mon94°60°30%
- Tue106°77°32%
- Wed112°78°24%
- Thu96°79°26%
- Fri87°63°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 18, 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 — Mandan
SPC has placed Mandan in the General Thunderstorms category for severe thunderstorms today.
- 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 Mandan
- 58554