Madison, South Dakota Weather
Lesser ripening, greater heat. Day 90 of spring. Read this microseason across nine climate regions →
Madison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast19%—72°48°—
- WednesdayJun 17Light Rain65%0.20″68°57°-4°
- ThursdayJun 18Overcast17%—67°52°-1°
- FridayJun 19Light Drizzle——77°51°+10°
- SaturdayJun 20Overcast60%—73°53°-4°
- SundayJun 21Overcast61%—74°51°+1°
- MondayJun 22Light Drizzle19%0.06″67°56°-7°
AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.7 µg/m³, PM10 to 10.0 µg/m³.
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 32 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 5 around 1 PM.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 5
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.7 µg/m³, PM10 to 10.0 µg/m³.
- PM2.5/PM10
- 0.87
- Wind
- breezy
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:15 AM
- Moonset
- 11:22 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Madison at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: May 10 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Madison
- Tue72°48°19%
- Wed68°57°65%
- Thu67°52°17%
- Fri77°51°2%
- Sat73°53°60%
- Sun74°51°61%
- Mon67°56°19%
- Tue78°58°23%
- Wed84°57°17%
- Thu89°62°23%
- Fri94°72°21%
- Sat74°61°21%
- Sun86°59°29%
- Mon83°62°19%
- Tue82°59°26%
- Wed85°63°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Madison
SPC has placed Madison 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 Madison
- 57042