



Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.
A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >
Hazardous Weather Conditions

Current conditions at
Grinnell Municipal Airfield (KGGI)
Lat: 41.71° N Lon: 92.73° W Elev: 1007 ft.
Mostly Cloudy
77°F
25°C
Humidity | 61% |
Wind Speed | Calm |
Barometer | 30.08 in |
Dewpoint | 63°F (17°C) |
Visibility | 10.00 mi |
Heat Index | 79°F (26°C) |
Last update | 13 Jul 12:55 pm CDT |
Detailed forecast for
Poweshiek County
This Afternoon
Sunny. Near steady temperature around 80. Southwest winds around 5 mph.
Tonight
Mostly clear. Lows in the mid 60s. South winds around 5 mph.
Monday
Sunny with highs in the upper 80s. Southwest winds around 5 mph.
Monday Night
Mostly clear. Humid with lows in the mid 60s. South winds around 5 mph.
Tuesday
Sunny with highs in the upper 80s. South winds 5 to 10 mph.
Tuesday Night
Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent.
Wednesday
Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.
Wednesday Night
Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 40 percent.
Thursday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
Thursday Night
Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.
Friday
Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
Friday Night
Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.
Saturday
Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the lower 80s. Chance of rain 30 percent.
Additional Forecasts and Information
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