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Preliminary Storm Summary of May 21 Tornadoes and Flash Floods Across Iowa
National Water Prediction Service Replaces Advanced Hydrologic Prediction Service

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville (KOXV)

Lat: 41.3°NLon: 93.12°WElev: 928ft.

Fair

75°F

24°C

Humidity	47%
Wind Speed	SE 15 mph
Barometer	30.10 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	30 May 2:35 pm CDT

More Information:

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

Extended Forecast for

Melcher-Dallas IA

This Afternoon
High: 78 °F
Partly Sunny
Tonight
Low: 60 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 75 °F
Showers
Likely
Friday Night
Low: 58 °F
Chance
T-storms
Saturday
High: 78 °F
Slight Chance
T-storms
Saturday Night
Low: 59 °F
Partly Cloudy
Sunday
High: 83 °F
Slight Chance
T-storms
Sunday Night
Low: 65 °F
Chance
T-storms then
Showers
Likely
Monday
High: 84 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Partly sunny, with a high near 78. Southeast wind around 13 mph, with gusts as high as 20 mph.

Tonight

A slight chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Southeast wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. South southeast wind 9 to 11 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.

Friday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Southeast wind 6 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. East wind around 7 mph becoming northwest in the afternoon.

Saturday Night

Partly cloudy, with a low around 59.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.

Sunday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

Wednesday

Mostly sunny, with a high near 82.