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

Sumner, Missouri Weather

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

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

Sumner, MO
Saturday, July 4 at 12:16 PM
85
°
Clear
Feels like
89°
Humidity
53%
Wind
13 mph
Sunrise
12:50 AM
Sunset
3:44 PM
Sumner, MO
Hour by hour · 24h
24-Hour ForecastSumner, MO: 24-hour forecast. Temperatures range from 71 to 86 degrees Fahrenheit.
L 71°H 86°
Sumner, MO
7-day forecast
  1. Today
    Jul 4
    Rain
    29%
    0.11″
    86°69°
  2. Sunday
    Jul 5
    Rain
    21%
    0.10″
    89°71°+3°
  3. Monday
    Jul 6
    Light Drizzle
    86°69°-3°
  4. Tuesday
    Jul 7
    Mostly Clear
    86°67°
  5. Wednesday
    Jul 8
    Overcast
    89°66°+3°
  6. Thursday
    Jul 9
    Heavy Drizzle
    35%
    0.01″
    90°71°+1°
  7. Friday
    Jul 10
    Heavy Drizzle
    35%
    0.02″
    88°71°-2°
Sumner, MO
Anemometer · 24h winds · from true
NESW
From · True
W
270° · veering 69°
Direction
W
270°
Sustained
13
mph
Gust
20
mph
Peak 24h
36
avg 6
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 6 · pk 36 @ 3:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 234SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the w-bound air across the harbor.
Sumner, MO
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
993.0
+0.6 mb in 3h · rising · 29.32 inHg
Now
993.0
mb
3h
+0.6
mb
12h
+2.4
mb
24h
+0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 989993
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW993.1988.5992.9
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Sumner, MO
Air quality
35
AQI
Good
+2 in 6hPeak ~46 @ 11 PM

AQI 35 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.6 µg/m³, PM10 at 11.1 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.

PM 2.5DRIVERGood
8.6μg/m³
PM 10Good
11μg/m³
NO₂Good
1μg/m³
OzoneUnhealthy SG
102μg/m³
UV IndexVery high
7.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 48. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.

Present
AQI 48
UV peak
8.1 at 1 PM
Sky at peak
overcast
Projected peak
AQI 26

PM × Wind × Precip

PM2.5 at 8.6 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.77
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Sumner, MO
Sky cover · visibility · 24h
Cloud cover
18%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
76.9mi
UNLIMITED
74 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
17:16 UTC · Sumner, MO · 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
17:16 UTC · Sumner, MO · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sumner, MO
Satellite · infrared · animated
Sumner, MO
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sumner, MO
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:19 AM
Sunrise
12:50 AM
Daylight
14h 54m
Sunset
3:44 PM
Civil dusk
9:17 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Sumner, MO
The moon
Waning Gibbous
80% illuminated
Moonrise
11:07 PM
Moonset
10:19 AM
In sign
♓︎ Pisces
Sumner, MO
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Sumner at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 64681

16-Day Forecast — Sumner

  1. Sat86°69°29%
  2. Sun89°71°21%
  3. Mon86°69°7%
  4. Tue86°67°2%
  5. Wed89°66°8%
  6. Thu90°71°35%
  7. Fri88°71°35%
  8. Sat89°72°14%
  9. Sun77°61°7%
  10. Mon80°57°5%
  11. Tue81°60°8%
  12. Wed81°64°7%
  13. Thu85°65°11%
  14. Fri83°67°13%
  15. Sat84°70°14%
  16. Sun87°71°10%

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 — Sumner

SPC includes Sumner in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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 Sumner

  • 64681

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.