Expanding Heat Wave; Heavy Rainfall Across the Upper Midwest and Gulf Coast; Snow for the Northern Rockies; Critical Fire Weather for Southwest

Diverse pattern across the country with accumulating heavy wet snow across the northern Rockies into the new week. Meanwhile, deep tropical moisture is expected to move ashore across the Gulf Coast States with the threat of heavy rainfall. This threat extends into the upper Midwest where flash flooding and a few severe storms. In addition, a heat wave is building from the Plains into Northeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

77°F

25°C

Humidity	89%
Wind Speed	S 9 mph
Barometer	29.79 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	17 Jun 12:55 am CDT

More Information:

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

Extended Forecast for

5 Miles W Lansing IA

Overnight
Low: 72 °F
Chance
T-storms
Monday
High: 91 °F
T-storms
Likely then
Chance
T-storms
Monday Night
Low: 73 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Chance
T-storms then
T-storms
Likely
Juneteenth
High: 81 °F
Showers
Wednesday Night
Low: 64 °F
T-storms
Likely
Thursday
High: 81 °F
Showers
Likely
Thursday Night
Low: 65 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 72. South wind around 6 mph.

Monday

Showers and thunderstorms likely, mainly before 8am. Partly sunny, with a high near 91. Heat index values as high as 96. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 73. South wind around 11 mph, with gusts as high as 22 mph.

Tuesday

Sunny, with a high near 91. South wind 13 to 15 mph, with gusts as high as 28 mph.

Tuesday Night

Showers and thunderstorms likely, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 70. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Juneteenth

Showers and possibly a thunderstorm. High near 81. South wind around 8 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light and variable wind.

Friday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Light and variable wind becoming south 5 to 7 mph in the morning.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 6 mph.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

Saturday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 60%.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79. Northwest wind 7 to 9 mph, with gusts as high as 18 mph.