Montrose, South Dakota Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
Montrose weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast12%—76°48°—
- TuesdayJun 16Overcast14%—75°50°-1°
- WednesdayJun 17Light Drizzle41%0.01″76°54°+1°
- ThursdayJun 18Thunderstorm——69°50°-7°
- FridayJun 19Light Drizzle14%—78°50°+9°
- SaturdayJun 20Heavy Drizzle33%0.06″73°59°-5°
- SundayJun 21Light Drizzle38%—64°61°-9°
AQI 30 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
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 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 45
- UV peak
- 5.2 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 45
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
- 5:46 AM
- Moonset
- 9:34 PM
- In sign
- ♋︎ Cancer
Toward the solstice glow
Montrose at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Montrose
- Mon76°48°12%
- Tue75°50°14%
- Wed76°54°41%
- Thu69°50°6%
- Fri78°50°14%
- Sat73°59°33%
- Sun64°61°38%
- Mon65°59°22%
- Tue71°58°17%
- Wed76°58°17%
- Thu74°58°22%
- Fri76°59°25%
- Sat74°62°31%
- Sun71°57°26%
- Mon61°54°35%
- Tue74°51°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Montrose
SPC has placed Montrose 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 Montrose
- 57048