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CheckWeather USBismarck
Forecast confidence: Medium · models disagree by 7°F

Bismarck weather

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Drizzle,rain likely tomorrow

NWS, the American and the European model put Bismarck's high today between 87° and 94°, a 7° split. Tomorrow looks showers around 91°, with a 50% chance of rain, and the models disagree, so treat it as uncertain.

91°69°
91°69°
88°69°
78°62°
77°58°
87°57°
Todaysplit ±7°Tomorrowsplit ±9°Mondaysplit ±7°Tuesdaymodels agreeWednesdaysplit ±6°Thursdaysplit ±6°
NWSNational Blend (NBM)
92°
Drizzle
Today 92°·Low 69°·Rain 10%
AmericanNOAA GFS
94°
Fog
Today 94°·Low 69°·Rain 10%
EuropeanECMWF
87°
Mostly clear
Today 87°·Low 69°·Rain 8%

The weather map: all three models at once

NWS, American, European side by side around Bismarck and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Drizzle
91° 69°
±7°
Tomorrow
Showers
91° 69°
±9°
Mon
Drizzle
88° 69°
±7°
Tue
Mostly clear
78° 62°
models agree
Wed
Cloudy
77° 58°
±6°
Thu
Mostly clear
87° 57°
±6°
Fri
Mostly clear
80° 55°
±9°
Sat
Light drizzle
66° 53°
±6°
Sun
Partly cloudy
62° 48°
±18°
Mon
Mostly clear
69° 48°
±16°
Tue
Light drizzle
74° 48°
models agree
Wed
Cloudy
78° 52°
models agree
Thu
Cloudy
77° 56°
models agree
Fri
Light drizzle
76° 60°
±21°

Bismarck, ND is at its warmest in Jul (average highs near 81°F) and coldest in Jan (lows around 9°F), with roughly 21 in of precipitation across the year. Below, compare what NWS, American, European forecast for Bismarck 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.

Bismarck climate by month

average daytime high and overnight low across a typical year
Jan
22°
Feb
33°
14°
Mar
31°
13°
Apr
50°
30°
May
69°
46°
Jun
77°
57°
Jul
81°
61°
Aug
79°
60°
Sep
76°
55°
Oct
58°
38°
Nov
40°
24°
Dec
33°
18°

Which forecast is most accurate in Bismarck?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
92
/100rank #1
92±0.8°F96±1.2 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
79
/100rank #2
81±1.9°F94±1.8 mph6581% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±7°87° to 94°±2%8% to 10% chance
Tomorrow±9°88° to 97°±34%16% to 50% chance
Mon±7°86° to 92°±6%65% to 71% chance
Tuemodels agree78° to 79°±3%9% to 12% chance
Wed±6°74° to 80°±1%1% to 2% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Bismarck

today, local time
Sunrise
07:08
Sunset
20:15
Daylight
13h 7m

Common questions

What's the weather in Bismarck today?
On this page we show what NWS, American, European each forecast for Bismarck 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 Bismarck today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Bismarck 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 Bismarck?
Over the last 30 days, the European model has been the most accurate for Bismarck (CheckWeather Score 92/100), ahead of the American at 79. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Bismarck?
July is typically the warmest month in Bismarck, with average highs around 81°F.
How cold does Bismarck get?
The coldest month in Bismarck is January, when overnight lows average about 9°F.
How much rain does Bismarck get?
Bismarck sees roughly 21 in of precipitation a year, with June usually the wettest month.

Nearby

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