Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Des Moines International Airport (KDSM)

Lat: 41.53°NLon: 93.65°WElev: 942ft.

Overcast

84°F

29°C

Humidity	57%
Wind Speed	S 8 mph
Barometer	29.98 in (1014.2 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	14 Jun 7:54 pm CDT

More Information:

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

Extended Forecast for

Saint Marys IA

Tonight
Low: 67 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms
Sunday Night
Low: 67 °F
Chance
T-storms
Monday
High: 89 °F
Slight Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 87 °F
Showers
Likely
Tuesday Night
Low: 67 °F
T-storms
Wednesday
High: 83 °F
Chance
T-storms
Wednesday Night
Low: 64 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. South southeast wind 5 to 7 mph becoming east northeast in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 86. South southeast wind 5 to 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southeast wind 7 to 9 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 9 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 64.

Juneteenth

Sunny, with a high near 85.

Thursday Night

Partly cloudy, with a low around 68.

Friday

Mostly sunny, with a high near 91. Breezy.