Weather StoryAlmanac, microseasons, and the day's weather story.

Summit, South Dakota Weather

Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →

Summit weather forecast — hour by hour, 7-day outlook, NOAA radar

Summit, SD
Monday, June 15 at 10:23 PM
58
°
Overcast
Feels like
53°
Humidity
76%
Wind
13 mph
Sunrise
12:39 AM
Sunset
4:17 PM
Summit, SD
Hour by hour · 24h
24-Hour ForecastSummit, SD: 24-hour forecast. Temperatures range from 48 to 71 degrees Fahrenheit.
L 48°H 71°
Summit, SD
7-day forecast
  1. Today
    Jun 15
    Light Drizzle
    39%
    75°51°
  2. Tuesday
    Jun 16
    Overcast
    22%
    71°48°-4°
  3. Wednesday
    Jun 17
    Drizzle
    81%
    0.06″
    62°50°-9°
  4. Thursday
    Jun 18
    Light Rain
    33%
    0.10″
    62°48°
  5. Friday
    Jun 19
    Overcast
    70°45°+8°
  6. Saturday
    Jun 20
    Overcast
    33%
    73°52°+3°
  7. Sunday
    Jun 21
    Overcast
    37%
    66°48°-7°
Summit, SD
Anemometer · 24h winds · from true
NESW
From · True
WNW
300° · veering 7°
Direction
WNW
300°
Sustained
13
mph
Gust
26
mph
Peak 24h
43
avg 12
Beaufort · 4 · MOD BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 12 · pk 43 @ 5:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3013SUSTGUST
−24h−18h−12h−6hnow
Sustained 13 mph with gusts pulsing to 26 — flags snap, branches bend.
Summit, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
938.1
+0.2 mb in 3h · steady · 27.70 inHg
Now
938.1
mb
3h
+0.2
mb
12h
-5.5
mb
24h
-7.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 938946
930935940945950-21h-18h-15h-12h-9h-6h-3h-24hNOW945.8937.7937.9
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Summit, SD
Air quality
36
AQI
Good
+6 in 6h

AQI 36 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
3.8μg/m³
PM 10Good
4μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
74μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.

Present
AQI 35
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 4
Summit, SD
Sky cover · visibility · 24h
Cloud cover
92%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
41.6mi
UNLIMITED
146 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
03:23 UTC · Summit, SD · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
03:23 UTC · Summit, SD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Summit, SD
Satellite · infrared · animated
Summit, SD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Summit, SD
Almanac · Monday, June 15
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
5:03 AM
Sunrise
12:39 AM
Daylight
15h 38m
Sunset
4:17 PM
Civil dusk
9:56 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
Summit, SD
The moon
New Moon
2% illuminated
Moonrise
6:50 AM
Moonset
10:41 PM
In sign
♋︎ Cancer
Summit, SD
Microseason
Jun 16–20

Lesser ripening, greater heat

weather
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

Summit at a glance

  • Today vs. normal: 12°F below the seasonal normal for this latitude
  • Last frost: May 18 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — Summit

  1. Mon75°51°39%
  2. Tue71°48°22%
  3. Wed62°50°81%
  4. Thu62°48°33%
  5. Fri70°45°7%
  6. Sat73°52°33%
  7. Sun66°48°37%
  8. Mon53°48°24%
  9. Tue62°52°23%
  10. Wed76°51°19%
  11. Thu66°54°13%
  12. Fri70°53°17%
  13. Sat75°53°31%
  14. Sun60°58°36%
  15. Mon64°54°27%
  16. Tue73°52°27%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 16, 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 — Summit

SPC has placed Summit in the Marginal Risk category for severe thunderstorms tomorrow.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWMRGLMarginal Risk
  • 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 Summit

  • 57266

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.