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

Britton, South Dakota Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Britton, SD
Saturday, July 4 at 12:57 PM
84
°
Clear
Feels like
90°
Humidity
47%
Wind
5 mph
Sunrise
12:47 AM
Sunset
4:23 PM
Britton, SD
Hour by hour · 24h
24-Hour ForecastBritton, SD: 24-hour forecast. Temperatures range from 65 to 87 degrees Fahrenheit.
L 65°H 87°
Britton, SD
7-day forecast
  1. Today
    Jul 4
    Partly Cloudy
    87°61°
  2. Sunday
    Jul 5
    Clear
    88°65°+1°
  3. Monday
    Jul 6
    Thunderstorm
    52%
    0.39″
    97°67°+9°
  4. Tuesday
    Jul 7
    T-storm w/ Hail
    66%
    0.11″
    85°65°-12°
  5. Wednesday
    Jul 8
    Light Showers
    72%
    79°61°-6°
  6. Thursday
    Jul 9
    Drizzle
    14%
    0.07″
    77°60°-2°
  7. Friday
    Jul 10
    Light Drizzle
    17%
    71°59°-6°
Britton, SD
Anemometer · 24h winds · from true
NESW
From · True
W
280° · veering 79°
Direction
W
280°
Sustained
5
mph
Gust
6
mph
Peak 24h
23
avg 6
Beaufort · 2 · LIGHT 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 6 · pk 23 @ 3:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 231SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Britton, SD
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
968.1
+1.1 mb in 3h · rising · 28.59 inHg
Now
968.1
mb
3h
+1.1
mb
12h
+3.0
mb
24h
+2.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 965969
960965970975-21h-18h-15h-12h-9h-6h-3h-24hNOW968.5964.6968.5
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Britton, SD
Air quality
56
AQI
Moderate
-3 in 6h

AQI 56 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 43 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 30 around 1 PM.

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

PM 2.5Good
7.1μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
92μg/m³
UV IndexModerate
5.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 43 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 30 around 1 PM.

Present
AQI 43
UV peak
5.2 at 1 PM
Sky at peak
clear
Projected peak
AQI 30

PM × Wind × Precip

PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.81 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.81
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Britton, SD
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
84.8mi
UNLIMITED
79 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
17:57 UTC · Britton, 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
17:57 UTC · Britton, SD · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Britton, SD
Satellite · infrared · animated
Britton, SD
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Britton, SD
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:10 AM
Sunrise
12:47 AM
Daylight
15h 36m
Sunset
4:23 PM
Civil dusk
10:02 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Britton, SD
The moon
Waning Gibbous
80% illuminated
Moonrise
11:36 PM
Moonset
10:31 AM
In sign
♓︎ Pisces
Britton, SD
Microseason
Jul 1–5

Cicadas claim the afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Britton at a glance

  • Today vs. normal: 18°F above the seasonal normal for this latitude
  • Last frost: May 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 57430

16-Day Forecast — Britton

  1. Sat87°61°9%
  2. Sun88°65°3%
  3. Mon97°67°52%
  4. Tue85°65°66%
  5. Wed79°61°72%
  6. Thu77°60°14%
  7. Fri71°59°17%
  8. Sat80°55°16%
  9. Sun84°60°12%
  10. Mon88°62°7%
  11. Tue92°66°10%
  12. Wed97°69°10%
  13. Thu90°71°11%
  14. Fri81°61°19%
  15. Sat81°59°25%
  16. Sun88°57°16%

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

Right now in the garden

Peak growing season

As of July 4, 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 — Britton

SPC has placed Britton in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWNONENo severe risk
  • DAY 3MRGLMarginal Risk

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 Britton

  • 57430

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.