Hazardous Weather Conditions
Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71°NLon: 92.73°WElev: 1007ft.
Fair
85°F
29°C
| Humidity | 71% |
| Wind Speed | S 16 G 25 mph |
| Barometer | 29.81 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 29 Jun 11:15 am CDT |
Extended Forecast for
3 Miles WSW Tama IA
Extreme Heat Warning June 29, 11:35am until June 30, 09:00pm
NOW until 9:00pm Tue

Extreme Heat Warning
Today

High: 94 °F
Sunny and
BreezyTonight
Low: 77 °F
Mostly Clear
and Breezy
then Partly
CloudyTuesday
High: 95 °F
Mostly Sunny
then Becoming
Sunny and
BreezyTuesday Night
Low: 74 °F
Slight Chance
T-storms then
Slight Chance
ShowersWednesday
High: 94 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 75 °F
Mostly Clear
then Chance
ShowersThursday

High: 93 °F
Slight Chance
T-stormsThursday Night

Low: 72 °F
Chance
T-storms
Detailed Forecast
Today
Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 77. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 95. Heat index values as high as 105. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 74. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 94. Breezy, with a south southwest wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 75. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.
Independence Day
Mostly sunny, with a high near 91.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Tama IA
41.95°N 92.63°W
41.95°N 92.63°W
10:22 am CDT Jun 29, 2026
11am CDT Jun 29, 2026-6pm CDT Jul 5, 2026



