Local weather forecast

Weather in Sigourney, IA

Updated 2026-08-11 11:15 local time · ZIP codes 52591

Sunny
Now81°F

Sunny

High / Low94° / 73°
Rain chance8%
Wind2 mph
Weather alerts

Active alerts

1
Heat Advisory issued August 11 at 3:13AM CDT until August 11 at 8:00PM CDT by NWS Quad Cities IA IL

* WHAT...Heat index values of 100 to 105 expected. * WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat indices may briefly exceed 105 degrees in some areas. Thunderstorms and storm outflow may also interrupt the high heat at times.

Safety instructions

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Hourly

Next hours

NowSunny81°6% rain
12 PMPatchy rain nearby89°14% rain
1 PMSunny92°4% rain
2 PMSunny93°3% rain
3 PMSunny93°3% rain
4 PMSunny94°3% rain
5 PMSunny93°2% rain
6 PMSunny91°3% rain
7 PMSunny88°4% rain
8 PMSunny85°4% rain
9 PMClear83°5% rain
10 PMClear81°6% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
94° 73°Sunny
Rain 8%Gust 12 mph
Tomorrow2026-08-12
Sunny
84° 69°Sunny
Rain 78%Gust 19 mph
Thursday2026-08-13
Patchy rain nearby
78° 68°Patchy rain nearby
Rain 87%Gust 11 mph
Conditions

Weather details

Feels like85°F
Humidity89%
Pressure29.88 inHg
Visibility7 mi
Wind2 mph SSW
Wind gusts7 mph
Precipitation0.00 in
UV index5
Daylight

Sunrise, sunset and moon

Sunrise06:14 AM
Sunset08:13 PM
Moonrise04:14 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 14%).

Choose light, breathable clothing

It feels like 85°F with winds near 2 mph.

Best window: 8 PM

85°F, 4% rain chance and 4 mph wind.

Allow a little extra driving time

Visibility is around 7 mi; gusts may reach 17 mph.

Run with a few weather adjustments

Current temperature is 81°F, wind 2 mph, rain chance up to 14%.

Moderate UV protection recommended

UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.

Sigourney weather today

Sunny and 81°F in Sigourney, IA. Today's high is 94°F with a 8% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 89%, pressure is 29.88 inHg, and visibility is about 7 miles.

Tonight and tomorrow in Sigourney

Sunrise is at 06:14 AM and sunset is at 08:13 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 69°F. The maximum rain chance is 78%.

Nearby

Weather near Sigourney

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