Grinnell, IA Weather

Poweshiek County1:35 AM CDT41.74°N, 92.72°WElevation 1,014 ft

Current conditions

Clear
56°
Clear
Feels like 56°
High 74°·Low 51° tonight
WindSSE 3 mph gusts 8 mph
Humidity77%
Dew point49°
Cloud cover1%
UV index0 Low
Sunrise7:33 AM
Sunset6:19 PM

Forecast for this hour (no station report in the last two hours)

Forecast

10-day
  • Thursday Night

    Mostly clear, with a low around 51. South southeast wind around 5 mph.

  • Friday

    Sunny, with a high near 74. South southeast wind 6 to 12 mph, with gusts as high as 18 mph.

  • Friday Night

    Partly cloudy, with a low around 55.

National Weather Service forecast updated 1 day ago.

  1. Now Clear 56°
  2. 2 AM Clear 55°
  3. 3 AM Mostly Clear 54°
  4. 4 AM Mostly Clear 53°
  5. 5 AM Mostly Clear 52°
  6. 6 AM Sunny 52°
  7. 7 AM Sunny 51°
  8. 8 AM Sunny 55°
  9. 9 AM Sunny 58°
  10. 10 AM Sunny 61°
  11. 11 AM Sunny 64°
  12. 12 PM Sunny 68°
  13. 1 PM Sunny 71°
  14. 2 PM Sunny 72°
  15. 3 PM Sunny 73°
  16. 4 PM Mostly Sunny 74°
  17. 5 PM Mostly Sunny 71°
  18. 6 PM Partly Cloudy 69°
  19. 7 PM Partly Cloudy 67°
  20. 8 PM Partly Cloudy 65°
  21. 9 PM Partly Cloudy 63°
  22. 10 PM Partly Cloudy 61°
  23. 11 PM Partly Cloudy 60°
  24. Sat12 AM Partly Cloudy 59°

10-day forecast

Details
  1. WedOct 21 Sunny Sunny50°73°
  2. ThuOct 22 Sunny Sunny51°77°
  3. TodayOct 23 Sunny Sunny55°74°
  4. SatOct 24 Partly Sunny Partly Sunny54°75°
  5. SunOct 25 Partly Sunny Partly Sunny11%49°69°
  6. MonOct 26 Chance Rain Showers Chance Rain Showers36%44°62°
  7. TueOct 27 Slight Chance Rain Showers Slight Chance Rain Showers19%39°56°
  8. WedOct 28 Showers Showers0.99 in47°67°
  9. ThuOct 29 Cloudy Cloudy38°59°
  10. FriOct 30 Sunny Sunny37°57°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
Open the National Weather Service radar (the map here needs JavaScript).

Weather news in Iowa

More weather news
  • Iowa weather: Warm days continue into the weekend

    We will continue to enjoy sunny weather for the rest of the week. Today is no exception, with highs in the mid- to upper-70s and south winds around 5 to 10 mph. A light layer may still be warranted for some of us, with…

    KCCI·19 hrs ago
  • Corn and Soybean Harvest Behind Schedule in Iowa, First Frost of Season Seen

    Corn and soybean harvest is behind schedule in Iowa. Ninety-eight percent of corn has reached maturity, which is even with the five-year average. Twenty-six percent of corn has been harvested, which is 24 percentage…

    kciiradio.com·1 day ago
  • Iowa weather: Warm, dry conditions will come to an end next week

    Clouds will linger a bit this morning, but most of the state will stay dry. Interactive Radar | Weather Alerts | Skycams There have been a few showers early this morning to the south and west, but the moisture is…

    KCCI·1 day ago
  • Warm and dry weather pattern holds across Iowa

    KWWL Unseasonably warm and dry conditions will continue tonight across Waterloo and much of Iowa. Patchy morning fog is possible, with a chance of rain returning this weekend.

    KWWL·2 days ago
  • Sunny skies, warm temperatures across central Iowa today

    Sunny skies are expected today across central and northern Iowa as warm conditions persist. High temperatures will reach the low 70s, with breezy conditions possible in northwest Iowa during the afternoon with gusts up…

    KWWL·2 days ago
  • Lane shift planned on Mount Vernon Drive in Iowa City

    Drivers on Mount Vernon Drive in Iowa City should expect shifted lanes starting Tuesday, Oct. 20, weather permitting.The lane shift will affect the stretch betw ... Lane shift planned on Mount Vernon Drive in Iowa City…

    KGAN·4 days ago
  • Iowa weather: Dry day before gradual warmup

    It'll be a great day for outdoor plans with highs in the mid 60s and plenty of sunshine. High pressure to our east will keep our skies clear. It'll feel breezy with a wind out of the south gusting up to 25 mph at times…

    KCCI·4 days ago
  • Iowa weather: Frosty Saturday morning

    Our first frost of the season is underway with temperatures in the 30s across the state. It'll stay cool all day long with highs in the upper 50s by this afternoon, but we'll see plenty of sunshine thanks to an area of…

    KCCI·5 days ago
  • Eastern Iowa Weather This Weekend: Frost Risk, Then 70° Monday Oct 19

    Davenport, IA – A chilly start to Saturday, October 17, will give way to sunshine and a noticeable warmup across the Quad Cities, although another cold night could bring patchy frost Sunday morning. Temperatures are…

    NewsBreak·5 days ago
  • Chilly Friday night for Northern Iowa, widespread freeze expected

    KWWL Gusty north to northwest winds will gradually diminish across the Upper Mississippi River Valley this evening. Tonight will be the coldest night of the season so far, with widespread near to just above freezing…

    KWWL·6 days ago

Air quality

Forecast

  • FriModerate (58)

South-central Iowa, IA reporting area. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:33 AM
Sunset 6:19 PM
Daylight 10 h 46 min (−2 min 37 s tomorrow)
Waxing Gibbous · 90% lit
Moonrise 4:47 PM Moonset 4:41 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Normal high / low59° / 36°
Month to date2.65 in (normal 2.42 in)

Grinnell 3 Sw, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.