Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Light Rain
39°F
4°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.00 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 0.25 mi |
| Last update | 5 Mar 8:15 am CST |
Extended Forecast for
Grinnell IA
Dense Fog Advisory March 5, 08:18am until March 5, 09:00am
NOW until 9:00am Thu
Dense Fog Advisory
Today
High: 58 °F
Areas Dense
Fog then
Partly SunnyTonight
Low: 45 °F
Mostly Cloudy
then ShowersFriday
High: 71 °F
Breezy.
Showers then
Showers
LikelyFriday Night
Low: 35 °F
Breezy.
Showers then
Rain LikelySaturday
High: 48 °F
Partly Sunny
and Breezy
then SunnySaturday Night
Low: 33 °F
Clear
Sunday
High: 61 °F
Sunny and
BreezySunday Night
Low: 44 °F
Clear
Detailed Forecast
Today
Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
A chance of showers and thunderstorms between 2am and 3am, then showers and possibly a thunderstorm after 3am. Low around 45. Light southeast wind becoming south southeast 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm before noon, then rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 71. Breezy, with a south southwest wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before midnight, then rain likely after midnight. Low around 35. Breezy, with a south wind 14 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Mostly sunny, with a high near 48. Breezy, with a west northwest wind 8 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Clear, with a low around 33.
Sunday
Sunny, with a high near 61. Breezy.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Rain likely. Mostly sunny, with a high near 64. Breezy. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 45. Breezy. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grinnell IA
41.75°N 92.72°W
41.75°N 92.72°W
8:12 am CST Mar 5, 2026
8am CST Mar 5, 2026-6pm CDT Mar 11, 2026
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