Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fog/Mist

66°F

19°C

Humidity	96%
Wind Speed	Calm
Barometer	30.03 in
Dewpoint	64°F (18°C)
Visibility	4.00 mi
Last update	15 Jul 5:35 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles E Chelsea IA

Today
High: 88 °F
Sunny
Tonight
Low: 70 °F
Mostly Clear
Wednesday
High: 85 °F
Chance
T-storms then
Showers
Likely
Wednesday Night
Low: 61 °F
Showers
Likely
Thursday
High: 74 °F
Partly Sunny
Thursday Night
Low: 60 °F
Partly Cloudy
Friday
High: 79 °F
Mostly Sunny
Friday Night
Low: 66 °F
Partly Cloudy
then Chance
T-storms
Saturday
High: 86 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 88. Light south southeast wind becoming south 5 to 9 mph in the morning.

Tonight

Mostly clear, with a low around 70. South wind around 5 mph becoming calm in the evening.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. South wind 5 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. North northwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Partly sunny, with a high near 74. North wind around 9 mph.

Thursday Night

Partly cloudy, with a low around 60.

Friday

Mostly sunny, with a high near 79.

Friday Night

A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.

Saturday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 40%.