Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather US›Missouri›Black Jack

Black Jack weather

Loading live data…

NWSNational Blend (NBM)
53°
Mainly clear
Feels 51° · Wind 4 mph · Humidity 81%
AmericanNOAA GFS
49°
Clear
Feels 46° · Wind 4 mph · Humidity 85%
EuropeanECMWF
54°
Partly cloudy
Feels 52° · Wind 3 mph · Humidity 81%

Latest for Black Jack: NWS (National Blend (NBM)): 53° Mainly clear · American (NOAA GFS): 49° Clear · European (ECMWF): 54° Partly cloudy.

CheckWeather.io on iPhoneFree. No ads, no account.

Black Jack weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Black Jack…

Black Jack weather in numbers

from 30 years of measured normals

Black Jack swings 63°F across the year, from 87°F highs in July to 24°F lows in January, and May is usually the wettest month in a year that brings about 46 in of precipitation.

Warmest month
July
87°F average high
Coldest month
January
24°F average low
Wettest month
May
46 in a year
Below freezing
3 months
January, February and December
Comfortable
3 months
April, September and October
Residents
6,947
share this forecast

The weather map: all three models at once

NWS, American, European side by side around Black Jack and nearby towns.Live rain radar →
Loading the three model maps…

Black Jack hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

Loading the three models…

Black Jack 10-day forecast, out to 14 days

where the models agree, and where they split

Black Jack, Missouri (MO) is at its warmest in Jul (average highs near 87°F) and coldest in Jan (lows around 24°F), with roughly 46 in of precipitation across the year. Below, compare what NWS, American, European forecast for Black Jack right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Black Jack climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
38°
24°
Feb
46°
26°
Mar
54°
35°
Apr
66°
46°
May
76°
57°
Jun
83°
64°
Jul
87°
70°
Aug
84°
68°
Sep
77°
60°
Oct
66°
48°
Nov
52°
37°
Dec
42°
29°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Black Jack has changed since 1995

Black Jack sits in the same roughly 50 km square of NASA's reanalysis as Upper Alton. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Upper Alton page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
91±0.9°F97±1.1 mph9396% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
83±1.7°F94±2.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
Loading ratings…
AmericanNOAA GFS
Loading ratings…
EuropeanECMWF
Loading ratings…

One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Black Jack today?
On this page we show what NWS, American, European each forecast for Black Jack today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Black Jack today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Black Jack and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Black Jack?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Black Jack forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Black Jack?
July is typically the warmest month in Black Jack, with average highs around 87°F.
How cold does Black Jack get?
The coldest month in Black Jack is January, when overnight lows average about 24°F.
How much rain does Black Jack get?
Black Jack sees roughly 46 in of precipitation a year, with May usually the wettest month.

Nearby

More US weather