Glenham, South Dakota Weather
Lesser ripening, greater heat. Day 90 of spring. Read this microseason across nine climate regions →
Glenham weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Light Rain62%0.19″66°57°—
- ThursdayJun 18Overcast12%—71°50°+5°
- FridayJun 19Drizzle—0.03″73°53°+2°
- SaturdayJun 20Overcast39%—71°49°-2°
- SundayJun 21Overcast42%—75°47°+4°
- MondayJun 22Overcast22%—77°52°+2°
- TuesdayJun 23Overcast22%—85°55°+8°
AQI 38 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.0 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
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 8.0 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:23 AM
- Moonset
- 11:42 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Glenham at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 19 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Glenham
- Wed66°57°62%
- Thu71°50°12%
- Fri73°53°8%
- Sat71°49°39%
- Sun75°47°42%
- Mon77°52°22%
- Tue85°55°22%
- Wed95°62°11%
- Thu82°61°21%
- Fri80°60°21%
- Sat75°56°20%
- Sun81°60°26%
- Mon94°64°21%
- Tue100°72°23%
- Wed87°65°25%
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 — Glenham
SPC has placed Glenham in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Glenham
- 57631