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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

84°F

29°C

Humidity	58%
Wind Speed	E 3 mph
Barometer	30.04 in
Dewpoint	68°F (20°C)
Visibility	9.00 mi
Heat Index	87°F (31°C)
Last update	15 Jun 2:35 pm CDT

More Information:

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

Extended Forecast for

Mapleton IA

This Afternoon
High: 88 °F
Chance
T-storms
Tonight
Low: 65 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 89 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 64 °F
T-storms
Likely
Tuesday
High: 80 °F
T-storms
Likely
Tuesday Night
Low: 61 °F
T-storms
Likely
Wednesday
High: 79 °F
Chance
T-storms
Wednesday Night
Low: 58 °F
Mostly Clear
Juneteenth
High: 85 °F
Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South southeast wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. South southeast wind around 7 mph.

Monday

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. South wind 7 to 11 mph, with gusts as high as 17 mph.

Monday Night

Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 64. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. West southwest wind 5 to 7 mph becoming south southeast in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 61. Northeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 79. North wind 6 to 8 mph, with gusts as high as 16 mph.

Wednesday Night

Mostly clear, with a low around 58. North northwest wind around 6 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 85. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. South southeast wind 7 to 9 mph, with gusts as high as 20 mph.

Friday

Sunny, with a high near 93. South wind 10 to 16 mph, with gusts as high as 29 mph.

Friday Night

Mostly clear, with a low around 71. South wind around 14 mph, with gusts as high as 28 mph.

Saturday

Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 28 mph.