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

Caledonia, Mississippi Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Caledonia, MS
Sunday, July 5 at 2:18 PM
86
°
Overcast
Feels like
93°
Humidity
66%
Wind
6 mph
Sunrise
12:48 AM
Sunset
3:07 PM
Caledonia, MS
Hour by hour · 24h
24-Hour ForecastCaledonia, MS: 24-hour forecast. Temperatures range from 73 to 87 degrees Fahrenheit.
L 73°H 87°
Caledonia, MS
7-day forecast
  1. Today
    Jul 5
    Light Drizzle
    13%
    0.01″
    87°73°
  2. Monday
    Jul 6
    Heavy Rain
    17%
    0.92″
    88°73°+1°
  3. Tuesday
    Jul 7
    Overcast
    17%
    95°72°+7°
  4. Wednesday
    Jul 8
    Thunderstorm
    93°71°-2°
  5. Thursday
    Jul 9
    Light Showers
    10%
    96°71°+3°
  6. Friday
    Jul 10
    Overcast
    16%
    97°72°+1°
  7. Saturday
    Jul 11
    Drizzle
    32%
    95°72°-2°
Caledonia, MS
Anemometer · 24h winds · from true
NESW
From · True
WSW
247° · veering 110°
Direction
WSW
247°
Sustained
6
mph
Gust
6
mph
Peak 24h
17
avg 4
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 4 · pk 17 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 152SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Caledonia, MS
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1002.2
-1.5 mb in 3h · falling · 29.59 inHg
Now
1002.2
mb
3h
-1.5
mb
12h
+0.2
mb
24h
-0.9
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10021004
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1003.81001.81002.3
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Caledonia, MS
Air quality
56
AQI
Moderate
0 in 6h

AQI 56 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 70. Overcast through the UV peak window (cloud cover ~69%) — 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
11.2μg/m³
PM 10Good
12μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
119μg/m³
UV IndexVery high
7.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 70. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

Present
AQI 70
UV peak
7.5 at 1 PM
Sky at peak
overcast
Projected peak
AQI 35

PM × Wind × Precip

PM2.5 at 11.2 µg/m³ (AQI 55) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Caledonia, MS
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
49.7mi
UNLIMITED
83 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
19:18 UTC · Caledonia, MS · 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
19:18 UTC · Caledonia, MS · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Caledonia, MS
Satellite · infrared · animated
Caledonia, MS
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Caledonia, MS
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:20 AM
Sunrise
12:48 AM
Daylight
14h 19m
Sunset
3:07 PM
Civil dusk
8:37 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Caledonia, MS
The moon
Waning Gibbous
70% illuminated
Moonrise
11:07 PM
Moonset
11:07 AM
In sign
♓︎ Pisces
Caledonia, MS
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Caledonia at a glance

  • Today vs. normal: 8°F above the seasonal normal for this latitude
  • Last frost: March 9 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 39740

16-Day Forecast — Caledonia

  1. Sun87°73°13%
  2. Mon88°73°17%
  3. Tue95°72°17%
  4. Wed93°71°8%
  5. Thu96°71°10%
  6. Fri97°72°16%
  7. Sat95°72°32%
  8. Sun92°71°44%
  9. Mon98°72°25%
  10. Tue89°67°11%
  11. Wed91°63°8%
  12. Thu98°68°20%
  13. Fri96°77°26%
  14. Sat87°73°23%
  15. Sun96°71°20%
  16. Mon95°71°36%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Caledonia

SPC has placed Caledonia 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 Caledonia

  • 39740

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.