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.

A Few Clouds

66°F

19°C

Humidity	100%
Wind Speed	Calm
Barometer	29.97 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	14 Jun 6:15 am CDT

More Information:

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

Extended Forecast for

Mapleton IA

Today
High: 89 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 66 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms
Sunday Night
Low: 65 °F
Chance
T-storms
Monday
High: 88 °F
Chance
T-storms
Monday Night
Low: 66 °F
T-storms
Likely
Tuesday
High: 82 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 63 °F
T-storms
Wednesday
High: 79 °F
Chance
T-storms

Detailed Forecast

Today

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 16 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly between 1am and 4am. Increasing clouds, with a low around 66. South southeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 6 to 8 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 65. South southeast wind 3 to 6 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South southeast wind 6 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

Tuesday Night

Showers and possibly a thunderstorm. Mostly cloudy, with a low around 63. North northeast wind around 6 mph.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 79. North wind 6 to 9 mph, with gusts as high as 17 mph.

Wednesday Night

Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. South southeast wind around 8 mph, with gusts as high as 16 mph.

Friday

Sunny, with a high near 88. South southeast wind 9 to 14 mph, with gusts as high as 26 mph.