Point Forecast: Grinnell IA
 41.75N 92.72W
Last Update: 8:57 pm CDT Jul 14, 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  

Date07/1407/15
Hour (CDT)212223000102030405060708091011121314151617181920
Temperature (°C)252322222121201919192022232627282929302931292928
Dewpoint (°C)212120191919181818181919212121212121212121212121
Heat Index (°C)252629313132323233323231
Surface Wind (mph)355555565556678888776655
Wind DirSSESSESSESSESSSSSSSESSESSSSSSSSSSSSS
Gust
Sky Cover (%)12111123817154569102017237241113
Precipitation Potential (%)000011111111111122222222
Relative Humidity (%)808787878889909093939387877469656361575955596165
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/16
Hour (CDT)212223000102030405060708091011121314151617181920
Temperature (°C)262423232222222222222223242626272728282828272625
Dewpoint (°C)212121212121202020202121222222222222222222222222
Heat Index (°C)2624242626292931313131292625
Surface Wind (mph)555666666666777888887766
Wind DirSSESSESESSESSESSESSSSSSSSWSSWSSWSSWSSWSWSWSWWSWWWNWNW
Gust
Sky Cover (%)9816182731424242424247525760626561565251515056
Precipitation Potential (%)22228888883434343434345050505050505555
Relative Humidity (%)768484879093909090909087858279777472727272727782
Rain--------------------ChcChcChcChcChcChcChcChcChcChcChcChcLklyLkly
Thunder--------------------SChcSChcSChcSChcSChcSChcChcChcChcChcChcChcChcChc

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