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 >

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Fair

77°F

25°C

Humidity	77%
Wind Speed	SE 6 mph
Barometer	30.03 in (1016.0 mb)
Dewpoint	69°F (21°C)
Visibility	9.00 mi
Heat Index	79°F (26°C)
Last update	14 Jul 10:54 pm CDT

More Information:

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

Extended Forecast for

Grimes IA

Tonight
Low: 66 °F
Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 85 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 63 °F
Chance
T-storms
Thursday
High: 75 °F
Slight Chance
T-storms
Thursday Night
Low: 62 °F
Slight Chance
Showers
Friday
High: 80 °F
Partly Sunny
Friday Night
Low: 67 °F
Mostly Cloudy
then Chance
T-storms

Detailed Forecast

Tonight

Clear, with a low around 66. South wind around 6 mph.

Tuesday

Sunny, with a high near 87. South wind 6 to 9 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 69. South southeast wind around 6 mph.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South southwest wind 6 to 9 mph becoming west northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind around 10 mph. New rainfall amounts between a quarter and half of an inch possible.

Thursday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 75.

Thursday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 62.

Friday

Partly sunny, with a high near 80.

Friday Night

A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.