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Hazardous Weather Conditions

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Mostly Cloudy

73°F

23°C

Humidity	69%
Wind Speed	S 13 G 20 mph
Barometer	29.65 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	21 May 4:35 am CDT

More Information:

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

Extended Forecast for

Swan IA

Flood Watch May 21, 04:56am until May 21, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 21, 04:56am until May 21, 07:00pm
NOW until 7:00pm Tue
Flood Watch
Overnight
Low: 68 °F
Chance
T-storms
Tuesday
High: 82 °F
Severe
Thunderstorms
and Windy
Tuesday Night
Low: 51 °F
Severe
Thunderstorms
and Windy
then Mostly
Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 51 °F
Clear
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 61 °F
Slight Chance
T-storms then
Chance
T-storms
Friday
High: 79 °F
Showers
Likely

Detailed Forecast

Overnight

A 50 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 68. South southeast wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely, mainly after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 82. Windy, with a south southeast wind 9 to 14 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 7pm. Some of the storms could be severe. Partly cloudy, with a low around 51. Windy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Sunny, with a high near 75. West wind 8 to 10 mph.

Wednesday Night

Clear, with a low around 51. Southwest wind 3 to 6 mph.

Thursday

Sunny, with a high near 79.

Thursday Night

A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 61. Chance of precipitation is 50%.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 52.

Saturday

A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 72.

Saturday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 53.

Sunday

A 40 percent chance of showers. Partly sunny, with a high near 74.

Sunday Night

A 30 percent chance of showers. Partly cloudy, with a low around 56.