Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Mostly Cloudy

79°F

26°C

Humidity	74%
Wind Speed	S 14 mph
Barometer	29.90 in
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	23 Jun 3:55 am CDT

More Information:

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

Extended Forecast for

2 Miles WSW Dunlap IA

Overnight
Low: 78 °F
Slight Chance
T-storms
Monday
High: 84 °F
Slight Chance
T-storms then
Showers
Likely
Monday Night
Low: 66 °F
T-storms
Tuesday
High: 82 °F
Showers
Likely
Tuesday Night
Low: 68 °F
T-storms
Wednesday
High: 90 °F
Chance
T-storms
Wednesday Night
Low: 68 °F
T-storms
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 65 °F
Chance
T-storms

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a steady temperature around 78. South wind around 14 mph, with gusts as high as 24 mph.

Monday

A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 66. North northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Light and variable wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm. Low around 68. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 6 to 10 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. South wind 5 to 7 mph. Chance of precipitation is 80%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Southwest wind 6 to 9 mph, with gusts as high as 16 mph.

Thursday Night

A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind 3 to 5 mph.

Saturday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 5 to 9 mph, with gusts as high as 17 mph.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South southeast wind 6 to 8 mph.