St. Louis, MO Weather Forecast

The forecast is bbbrraaaiiinnsss....

🌪 TROPICAL ACTIVITY: TROPICAL STORM FAY Sustained winds 35 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: HURRICANE ODALYS Sustained winds 75 kt. Track it on the zombie radar or see NHC advisories.
🌪 TROPICAL ACTIVITY: HURRICANE POLO Sustained winds 140 kt. Track it on the zombie radar or see NHC advisories.
Mostly cloudy night
65°

ddaarrkk cclouudds

  • Humidity: 75%
  • Visibility: 6.2 Mi
  • Wind: NE at 9 MPH
  • Dew Point: 0° F
  • Cloud Cover: 65%
  • UV Index: 0 - Low
  • Air Quality: Good
  • Moon: Waxing Gibbous (94% full) · up 5:54pm, down 4:35am

☀ Solar Outbreak Watch: Quiet · largest flare C1.1 · Kp 3 The sun naps. The horde does not. full report →

ThuFriSatSunMon

Zombie Survival Index™

55/100 — ELEVATED Locckk yourr doooorssss

  • Mild temps: standard shamble speed
  • Clear sightlines: you will see them coming
  • Darkness: their favorite

Today's undead advice: Count your group at dusk. Count again at dawn.

Rule #5 Silence is golden After dark, sound carries — and so does the smell of the living. all the Rules of Survival →

🌡 The weather here, in general

St. Louis runs the full range. The warmest stretch, around July, averages a high near 88°F, while January nights average 25°F — a 63-degree spread, so a coat that works in January is useless by July and the other way round.

The thermometer rarely spikes — only about 28 days a year top 90°F — but it hardly needs to. Summer sits in the mid-eighties for months at a stretch, and with humidity on top of it the heat index runs well above what the air temperature suggests.

Snow shows up most years — about 12 inches — but rarely in quantity. 79 freezing nights a year matter more, because the risk here is ice rather than depth.

Rainfall averages about 53 inches a year, wettest in July and driest in February.

MonthAvg highAvg lowRainSnow
Jan41°25° 3.2"3.4"
Feb46°27° 2.7"4.3"
Mar57°38° 5.5"0.9"
Apr66°46° 5"0.4"
May76°58° 5.4"
Jun86°67° 4.5"
Jul88°71° 6.9"
Aug85°69° 5.4"
Sep82°63° 4.7"
Oct69°51° 3.6"
Nov55°38° 3.3"1"
Dec47°31° 3.2"1.7"

Averages from ten years of observed daily records (2015–2024) for this location. They describe what is typical, not what will happen — for that, see the forecast above.

📷 Golden Hour

  • Golden hour: 6:21pm - 6:56pm (dawn: 6:48am - 7:23am)
  • Blue hour: 6:56pm - 7:22pm (dawn: 6:21am - 6:48am)
  • Sun sets: 270° W (rises 90° E)
  • Dark sky: 8:25pm – 5:19am · next new moon Oct 11 (17d)

Blocked Sunset odds 25/100 Low cloud is sitting on the horizon. The colour never reaches you.

Waxing Gibbous
94% · full Sep 26

Sun & moon: sunrisesunset.io · cloud layers: Open-Meteo · astro & Milky Way planner →

Weather Details

Fri

Mostly clear night

High: 75° F
|
Low: 58° F
nniiighhht... hunnnttt tiiime
Moderate confidence ±4.4°
Weather Details

Sat

Mostly cloudy night

High: 67° F
|
Low: 61° F
ddaarrkk cclouudds
High confidence ±2.3°
Weather Details

Sun

Mostly cloudy night

High: 66° F
|
Low: 60° F
ddaarrkk cclouudds
Low confidence ±11.4°
Weather Details

Mon

Mostly cloudy night

High: 74° F
|
Low: 61° F
ddaarrkk cclouudds
Low confidence ±7.3°
Weather Details


High: ° F
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Low: ° F
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High: ° F
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Will it rain on your plans?

Weather Details

Thu Sep 24 1am 65° F

Mostly cloudy night
ddaarrkk cclouudds

  • Cloud Cover: 73%
  • Dew Point: 0° F
  • Humidity: 74%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 3 MPH / NE
Weather Details

Thu Sep 24 4am 63° F

Mostly cloudy night
ddaarrkk cclouudds

  • Cloud Cover: 56%
  • Dew Point: 0° F
  • Humidity: 78%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 5 MPH / NNE
Weather Details

Thu Sep 24 7am 60° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 65%
  • Dew Point: 0° F
  • Humidity: 88%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / NNE
Weather Details

Thu Sep 24 10am 66° F

Partly cloudy
Ppaarrttt cclouudd

  • Cloud Cover: 43%
  • Dew Point: 0° F
  • Humidity: 77%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / NE
Weather Details

Thu Sep 24 1pm 67° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 95%
  • Dew Point: 0° F
  • Humidity: 64%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 4 MPH / NE
Weather Details

Thu Sep 24 4pm 72° F

Cloudy
CLLOOUUUDDSSS LLLOOOTTTSSS

  • Cloud Cover: 100%
  • Dew Point: 0° F
  • Humidity: 65%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 5 MPH / NE
Weather Details

Thu Sep 24 7pm 69° F

Mostly cloudy night
ddaarrkk cclouudds

  • Cloud Cover: 100%
  • Dew Point: 0° F
  • Humidity: 77%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 2 MPH / NE
Weather Details

Thu Sep 24 10pm 65° F

Mostly cloudy night
ddaarrkk cclouudds

  • Cloud Cover: 93%
  • Dew Point: 0° F
  • Humidity: 86%
  • Precipitation: None
  • UV Index: 0 - Unknown
  • Visibility: 6.2 Mi
  • Wind: 3 MPH / ENE

7-Day Meteogram

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