SIOUX CITY, IA 51103 Weather Forecast & Current Conditions
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  51103 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SIOUX CITY, IA
Current Weather
9:52 AM CDT APR 5, 2026
Clear
43°F
Feels Like: 42°F
Dewpoint: 34°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: WNW at 3 mph
Pressure: 30.34 inches
Last 72 hours

Local Area Snow Depth

Iowa Current Weather

Iowa MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  51103 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SIOUX CITY, IA 51103
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Sunny. Not as cool with highs around 60. Northwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 30 mph this afternoon.
TONIGHT
Mostly clear in the evening, then becoming mostly cloudy. Lows around 30. North winds 10 to 15 mph. Gusts up to 30 mph in the evening.
MONDAY
A chance of rain showers in the morning. Mostly cloudy with a chance of snow showers. Little or no snow accumulation. Much cooler with highs in the mid 40s. North winds 5 to 10 mph with gusts up to 20 mph. Chance of precipitation 40 percent.
MONDAY NIGHT
Cloudy. A chance of snow showers after midnight. Little or no snow accumulation. Lows in the mid 20s. Northeast winds around 10 mph. Chance of snow 30 percent.
TUESDAY
Cloudy with a chance of snow showers. A chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the lower 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of showers, mainly in the evening. Not as cool with lows in the mid 30s. Temperature rising into the lower 40s after midnight. Chance of rain 50 percent.
WEDNESDAY
Mostly sunny with a chance of showers. Much warmer with highs in the upper 60s. Chance of rain 40 percent.
WEDNESDAY NIGHT
Partly cloudy with a chance of showers. A chance of snow showers after midnight. Lows in the mid 30s. Chance of precipitation 40 percent.
THURSDAY
Partly sunny with a 50 percent chance of rain showers. Cooler with highs in the mid 50s.
THURSDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 30s.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 50s.
FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the upper 30s.
SATURDAY
Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 50s. Chance of rain 60 percent.

  51103 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SIOUX CITY, IA 51103
Infrared Weather Satellite
SIOUX CITY, IA 51103
  51103 WEATHER RADAR LOOP
NEXRAD Weather Radar
SIOUX CITY, IA 51103
 MOS COMPUTER WEATHER FORECAST

SIOUX CITY, IA 3 hourly weather forecast
weather forecast created  7:00 PM CDT  4/ 4/2026
Sunday
5 APR 2026		 SIOUX CITY, IA 51103 weather forecast Day 1, 0 hours 1 AM 33° 25° Clear 0%

 0% Thunder
( 0% severe)		 WNW   10 81% 28°
Low 29° SIOUX CITY, IA 51103 weather forecast Day 1, 3 hours 4 AM 31° 22° Clear WNW   10 84% 27°
High 63° SIOUX CITY, IA 51103 weather forecast Day 1, 6 hours 7 AM 30° 22° Clear 0%

 0% Thunder
( 0% severe)		 WNW   9 92% 28°

Clear



 SIOUX CITY, IA 51103 weather forecast Day 1, 9 hours 10 AM 42° 36° Clear NW   10 70% 33°
SIOUX CITY, IA 51103 weather forecast Day 1, 12 hours 1 PM 54° 51° Clear 4%

 0% Thunder
( 1% severe)		 WNW   10 47% 34°
SIOUX CITY, IA 51103 weather forecast Day 1, 15 hours 4 PM 61° 59° Clear W   14 35% 33°
SIOUX CITY, IA 51103 weather forecast Day 1, 18 hours 7 PM 58° 55° Partly Cloudy 5%

 0% Thunder
( 2% severe)		 NW   13 40% 34°
SIOUX CITY, IA 51103 weather forecast Day 1, 21 hours 10 PM 45° 39° Partly Cloudy N   12 60% 32°
Monday
6 APR 2026		 SIOUX CITY, IA 51103 weather forecast Day 2, 0 hours 1 AM 39° 32° Mostly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 1% severe)		 N   10 67% 29°
Low 30° SIOUX CITY, IA 51103 weather forecast Day 2, 3 hours 4 AM 34° 27° Mostly Cloudy NNW   9 78% 28°
High 46° SIOUX CITY, IA 51103 weather forecast Day 2, 6 hours 7 AM 32° 24° Mostly Cloudy 38%
RAIN
.01–.1 in		 0% Thunder
( 0% severe)		 N   9 78% 26°

Mostly Cloudy

Chance of Rain

 SIOUX CITY, IA 51103 weather forecast Day 2, 9 hours 10 AM 36° 28° Mostly Cloudy N   10 66% 26°
SIOUX CITY, IA 51103 weather forecast Day 2, 12 hours 1 PM 41° 34° Mostly Cloudy 19%
SNOW
<.1 in		 0% Thunder
( 0% severe)		 N   12 50% 24°
SIOUX CITY, IA 51103 weather forecast Day 2, 15 hours 4 PM 44° 38° Mostly Cloudy N   12 37% 20°
SIOUX CITY, IA 51103 weather forecast Day 2, 18 hours 7 PM 42° 36° Mostly Cloudy 8%

 0% Thunder
( 0% severe)		 NNE   12 38% 19°
SIOUX CITY, IA 51103 weather forecast Day 2, 21 hours 10 PM 34° 26° Mostly Cloudy NE   10 49% 18°

SIOUX CITY, IA extended weather forecast
Tuesday
7 APR 2026		 Wednesday
8 APR 2026		 Thursday
9 APR 2026		 Friday
10 APR 2026		 Saturday
11 APR 2026
Low 26° Low 42° Low 34° Low 33° Low 47°
High 42° High 63° High 56° High 63° High 72°
SIOUX CITY, IA 51103 weather forecast Day 3 SIOUX CITY, IA 51103 weather forecast Day 4 SIOUX CITY, IA 51103 weather forecast Day 5 SIOUX CITY, IA 51103 weather forecast Day 6 SIOUX CITY, IA 51103 weather forecast Day 7
Overcast
55% Snow/Ice		 Overcast
67% Rain		 Mostly Cloudy
28% Rain		 Mostly Cloudy
28% Rain		 Overcast
62% Rain
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