Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

A Few Clouds

75°F

24°C

Humidity	78%
Wind Speed	N 7 mph
Barometer	29.86 in
Dewpoint	68°F (20°C)
Visibility	9.00 mi
Last update	18 Jun 11:35 am CDT

More Information:

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

Extended Forecast for

Mapleton IA

Today
High: 80 °F
Chance
T-storms
Tonight
Low: 57 °F
Slight Chance
T-storms then
Mostly Clear
Juneteenth
High: 89 °F
Sunny
Thursday Night
Low: 68 °F
Mostly Clear
then Chance
T-storms
Friday
High: 98 °F
Sunny then
Sunny and
Breezy
Friday Night
Low: 77 °F
Mostly Clear
and Breezy
then Mostly
Clear
Saturday
High: 99 °F
Hot and
Breezy
Saturday Night
Low: 77 °F
Mostly Clear
and Breezy
Sunday
High: 97 °F
Hot and
Breezy

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Partly sunny, with a high near 80. North northwest wind 7 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 57. North northwest wind 5 to 7 mph becoming calm in the evening.

Juneteenth

Sunny, with a high near 89. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

Thursday Night

A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. South wind 7 to 10 mph, with gusts as high as 22 mph.

Friday

Sunny and hot, with a high near 98. Breezy, with a south wind 10 to 18 mph, with gusts as high as 32 mph.

Friday Night

Mostly clear, with a low around 77. Breezy, with a south wind 16 to 18 mph, with gusts as high as 33 mph.

Saturday

Sunny and hot, with a high near 99. Breezy, with a south wind 15 to 20 mph, with gusts as high as 33 mph.

Saturday Night

Mostly clear, with a low around 77. Breezy, with a south wind 16 to 18 mph, with gusts as high as 33 mph.

Sunday

Sunny and hot, with a high near 97. Breezy, with a south wind 18 to 22 mph, with gusts as high as 37 mph.

Sunday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 10 to 14 mph, with gusts as high as 28 mph.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 10 to 13 mph, with gusts as high as 23 mph.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.

Tuesday

Showers and thunderstorms likely. Partly sunny, with a high near 82. East northeast wind 6 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 16 mph.