Skip to main content
One weather site to rule them all
checkweather.io

Keokuk weather

Loading live data…

Keokuk weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Keokuk…

Keokuk weather in numbers

from 30 years of measured normals

Keokuk swings 64°F across the year, from 84°F highs in July to 20°F lows in January, and May is usually the wettest month in a year that brings about 42 in of precipitation.

Warmest month
July
84°F average high
Coldest month
January
20°F average low
Wettest month
May
42 in a year
Below freezing
3 months
January, February and December
Comfortable
3 months
April, September and October
Residents
11,000
share this forecast

The weather map: all three models at once

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

Keokuk 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…

Keokuk 10-day forecast, out to 14 days

where the models agree, and where they split

Keokuk, Iowa (IA) is at its warmest in Jul (average highs near 84°F) and coldest in Jan (lows around 20°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Keokuk 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.

Keokuk climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
33°
20°
Feb
42°
21°
Mar
51°
33°
Apr
63°
43°
May
74°
54°
Jun
83°
63°
Jul
84°
67°
Aug
82°
66°
Sep
75°
57°
Oct
63°
46°
Nov
49°
34°
Dec
38°
26°

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

How the weather around Keokuk has changed since 1995

Keokuk sits in the same roughly 50 km square of NASA's reanalysis as Fort Madison. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Fort Madison 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 Keokuk today?
On this page we show what NWS, American, European each forecast for Keokuk 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 Keokuk today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Keokuk 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 Keokuk?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Keokuk 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 Keokuk?
July is typically the warmest month in Keokuk, with average highs around 84°F.
How cold does Keokuk get?
The coldest month in Keokuk is January, when overnight lows average about 20°F.
How much rain does Keokuk get?
Keokuk sees roughly 42 in of precipitation a year, with May usually the wettest month.

Nearby

More US weather