Point Forecast: Grinnell IA
 41.75N 92.72W
Last Update: 12:24 am CDT Jul 15, 2025
Tabular Forecast
[hide menu]Get as XML
Weather ElementsFire WeatherAviation Weather
Temperature (°C)
Dewpoint (°C)
Heat Index (°C)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
Vent Rate (x1000 mph-m)
Ceiling Height
Visibility

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (CDT)010203040506070809101112131415161718192021222300
Temperature (°C)212120191919202223262728292930293129292826242323
Dewpoint (°C)191918181818191921212121212121212121212121212121
Heat Index (°C)26293131323232333232312624
Surface Wind (mph)655555577899998876333335
Wind DirSSSSSSSESSSSSSSSSSSSSSSESSESSESSESSE
Gust
Sky Cover (%)32235884661215171815678118551220
Precipitation Potential (%)111111111111222222222222
Relative Humidity (%)879091929393938787746965636157595559616576848487
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (CDT)010203040506070809101112131415161718192021222300
Temperature (°C)222222222222222324262627272828282827262523222221
Dewpoint (°C)212120202020212122222222222222222222222221212120
Heat Index (°C)242626292931313131292625
Surface Wind (mph)555556667778889887777666
Wind DirSSESSESSSSSSSSWSSWSWSWWSWWSWWWWWNWNWNNWNNNNNW
Gust
Sky Cover (%)303646515564666869717171706867666973786165707274
Precipitation Potential (%)888888343434343434505050505050555555555555
Relative Humidity (%)909390909090908785827977747272727272778287939393
Rain------------ChcChcChcChcChcChcChcChcChcChcChcChcLklyLklyLklyLklyLklyLkly
Thunder------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChcChcChcChcChcChc

Additional Forecasts and Information
English UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Hazardous WeatherGraphical Forecasts
Weather Activity Planner30 Day Outlook from CPC
90 Day Outlook from CPCAir Quality
UltravioletPast Weather Information
River Info/NWPSHome