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
10:52 PM CDT JUL 20, 2025
Clear 75°F
Feels Like:	75°F
Dewpoint:	73°F
Rel. Hum.:	94%
Visibility:	10 miles
Wind:	E at 6 mph
Pressure:	29.91 inches
Last 72 hours
Local Area Snow Depth
Iowa Current Weather
Iowa MOS Forecast Weather

Regional Weather Maps

(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 TONIGHT
Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. East winds 5 to 10 mph. Chance of rain 20 percent.

MONDAY
Mostly cloudy in the morning, then becoming partly sunny. Humid with highs in the upper 80s. Southeast winds around 10 mph. Heat index values in the upper 90s in the afternoon.

MONDAY NIGHT
Partly cloudy. Humid with lows in the lower 70s. Southeast winds 5 to 10 mph. Heat index values in the upper 90s early in the evening.

TUESDAY
Mostly sunny. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108 in the afternoon.

TUESDAY NIGHT
Mostly clear. Humid with lows in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening.

WEDNESDAY
Sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 40 percent. Heat index values up to 100 early in the evening.

THURSDAY
Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.

FRIDAY
Mostly sunny. Highs in the upper 80s.

FRIDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.

SATURDAY
Mostly sunny. Highs in the upper 80s.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.

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 AM CDT 7/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
20 JUL 2025

1 PM

79°

82°

Partly Cloudy

6%

0% Thunder
( 22% severe)

ESE 12

82%

73°

High 82°

4 PM

81°

86°

Partly Cloudy

ESE 12

79%

74°

Partly Cloudy

7 PM

81°

86°

Partly Cloudy

19%
RAIN
<.01 in

0% Thunder
( 40% severe)

ESE 10

79%

74°

10 PM

76°

76°

Mostly Cloudy

E 9

90%

73°

Monday
21 JUL 2025

1 AM

73°

73°

Mostly Cloudy

18%
RAIN
<.01 in

0% Thunder
( 43% severe)

E 9

97%

72°

Low 71°

4 AM

72°

72°

Mostly Cloudy

ESE 9

100%

72°

High 88°

7 AM

72°

72°

Mostly Cloudy

4%

0% Thunder
( 19% severe)

E 8

97%

71°

Mostly Cloudy

10 AM

76°

76°

Mostly Cloudy

ESE 10

90%

73°

1 PM

82°

89°

Mostly Cloudy

4%

0% Thunder
( 11% severe)

SE 12

79%

75°

4 PM

86°

97°

Partly Cloudy

SSE 12

75%

77°

7 PM

86°

96°

Partly Cloudy

3%

0% Thunder
( 9% severe)

SE 12

72%

76°

10 PM

79°

83°

Partly Cloudy

SE 10

88%

75°

Tuesday
22 JUL 2025

1 AM

76°

76°

Partly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 22% severe)

SE 9

94%

74°

Low 73°

4 AM

75°

75°

Partly Cloudy

SE 9

94%

73°

High 93°

7 AM

75°

75°

Mostly Cloudy

6%

0% Thunder
( 12% severe)

SSE 10

94%

73°

Partly Cloudy

10 AM

81°

87°

Partly Cloudy

SSE 12

82%

75°

1 PM

87°

98°

Partly Cloudy

6%

0% Thunder
( 12% severe)

S 14

70%

76°

4 PM

92°

105°

Partly Cloudy

S 16

60%

76°

7 PM

91°

103°

Clear

S 13

62%

76°


SIOUX CITY, IA extended weather forecast
Wednesday 23 JUL 2025	Thursday 24 JUL 2025	Friday 25 JUL 2025	Saturday 26 JUL 2025	Sunday 27 JUL 2025
Low 75°	Low 70°	Low 68°	Low 67°	Low 67°
High 95°	High 89°	High 90°	High 84°	High 90°

Partly Cloudy 22% Rain	Partly Cloudy 42% Rain	Partly Cloudy 35% Rain	Mostly Cloudy 45% Rain	Partly Cloudy 32% Rain

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