Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

55°F

13°C

Humidity	94%
Wind Speed	W 9 G 23 mph
Barometer	29.58 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Wind Chill	53°F (12°C)
Last update	22 May 3:15 am CDT

More Information:

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

Extended Forecast for

Ossian IA

Overnight
Low: 51 °F
Mostly Cloudy
and Breezy
Wednesday
High: 68 °F
Breezy.
Partly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 49 °F
Mostly Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
then Chance
T-storms
Friday
High: 70 °F
Showers
Friday Night
Low: 42 °F
Slight Chance
T-storms
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Slight
Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 51. Breezy, with a west wind around 18 mph, with gusts as high as 31 mph.

Wednesday

A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 68. Breezy, with a west wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 49. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

Thursday

Sunny, with a high near 75. South wind 6 to 10 mph, with gusts as high as 18 mph.

Thursday Night

A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 6 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers and possibly a thunderstorm. High near 70. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 42. West wind 10 to 14 mph.

Saturday

Mostly sunny, with a high near 67. West wind 9 to 11 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 50. South wind 5 to 7 mph becoming east after midnight.

Sunday

A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 65. East wind 7 to 10 mph.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind around 9 mph.

Memorial Day

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 66. North wind 9 to 13 mph.