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

Lake Santee, Indiana Weather

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

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

Lake Santee, IN
Saturday, July 4 at 11:19 AM
83
°
Clear
Feels like
90°
Humidity
68%
Wind
8 mph
Sunrise
2:19 AM
Sunset
5:11 PM
Lake Santee, IN
Hour by hour · 24h
24-Hour ForecastLake Santee, IN: 24-hour forecast. Temperatures range from 70 to 88 degrees Fahrenheit.
L 70°H 88°
Lake Santee, IN
7-day forecast
  1. Today
    Jul 4
    Overcast
    19%
    88°69°
  2. Sunday
    Jul 5
    Overcast
    35%
    84°70°-4°
  3. Monday
    Jul 6
    Light Drizzle
    35%
    81°68°-3°
  4. Tuesday
    Jul 7
    Light Drizzle
    81°62°
  5. Wednesday
    Jul 8
    Partly Cloudy
    10%
    82°65°+1°
  6. Thursday
    Jul 9
    Thunderstorm
    38%
    83°65°+1°
  7. Friday
    Jul 10
    Light Drizzle
    56%
    80°71°-3°
Lake Santee, IN
Anemometer · 24h winds · from true
NESW
From · True
SSW
200° · backing 35°
Direction
SSW
200°
Sustained
8
mph
Gust
11
mph
Peak 24h
24
avg 5
Beaufort · 3 · GENTLE 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 5 · pk 24 @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 193SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 35° from the ssw.
Lake Santee, IN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
981.1
-0.6 mb in 3h · falling · 28.97 inHg
Now
981.1
mb
3h
-0.6
mb
12h
-0.7
mb
24h
-3.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 981985
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW985.3981.1981.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Lake Santee, IN
Air quality
33
AQI
Good
-3 in 6hPeak ~51 @ 9 PM

AQI 33 (Good), driven by PM2.5. AQI projected to climb to 51 over the next 6 hours. PM2.5 at 11.5 µg/m³, PM10 at 14.8 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 during the projected peak around 9 PM.

PM 2.5DRIVERGood
11.5μg/m³
PM 10Good
15μg/m³
NO₂Good
2μg/m³
OzoneUnhealthy SG
108μg/m³
UV IndexHigh
5.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 51 now. With UV 6.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 43 around 1 PM.

Present
AQI 51
UV peak
6.4 at 1 PM
Sky at peak
clear
Projected peak
AQI 43

PM × Wind × Precip

PM2.5 at 11.5 µg/m³, PM10 at 14.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.78
Wind
light
Recent rain
0h in last 6h
Pattern
background
Lake Santee, IN
Sky cover · visibility · 24h
Cloud cover
5%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
50.2mi
UNLIMITED
70 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
15:19 UTC · Lake Santee, IN · 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
15:19 UTC · Lake Santee, IN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lake Santee, IN
Satellite · infrared · animated
Lake Santee, IN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lake Santee, IN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:48 AM
Sunrise
2:19 AM
Daylight
14h 52m
Sunset
5:11 PM
Civil dusk
9:45 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lake Santee, IN
The moon
Waning Gibbous
81% illuminated
Moonrise
11:35 PM
Moonset
10:47 AM
In sign
♓︎ Pisces
Lake Santee, IN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lake Santee at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: April 12 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Lake Santee

  1. Sat88°69°19%
  2. Sun84°70°35%
  3. Mon81°68°35%
  4. Tue81°62°6%
  5. Wed82°65°10%
  6. Thu83°65°38%
  7. Fri80°71°56%
  8. Sat82°68°40%
  9. Sun72°60°17%
  10. Mon69°56°13%
  11. Tue75°59°15%
  12. Wed81°62°18%
  13. Thu82°67°20%
  14. Fri84°69°19%
  15. Sat84°67°29%
  16. Sun85°71°32%

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 — Lake Santee

SPC has placed Lake Santee 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 Lake Santee

  • 47240

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.