Local weather forecast

Weather in Grundy Center, IA

Updated 2026-08-11 10:30 local time · ZIP codes 50638

Sunny
Now77°F

Sunny

High / Low92° / 72°
Rain chance58%
Wind9 mph
Weather alerts

Active alerts

2
Severe Thunderstorm Warning issued August 11 at 7:04AM CDT until August 11 at 7:45AM CDT by NWS Quad Cities IA IL

At 704 AM CDT, severe thunderstorms were located along a line extending from near Littleton to Independence Airport to near Wapsipinicon Golf Course to near Brandon, moving east at 55 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Independence, Vinton, Jesup, Center Point, Urbana, Fairbank, Winthrop, Hazleton, Walker, Quasqueton, Lamont, Brandon, Rowley, Aurora, Mount Auburn, Stanley, Troy Mills, Wapsipinicon Golf Course, Vinton Memorial Airport, and Fontana County Park. This includes Interstate 380 between mile markers 33 and 55.

Safety instructions

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Severe Thunderstorm Warning issued August 11 at 6:53AM CDT until August 11 at 7:45AM CDT by NWS Quad Cities IA IL

SVRDVN The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Buchanan County in northeastern Iowa... Northern Benton County in east central Iowa... Northwestern Linn County in east central Iowa... * Until 745 AM CDT. * At 653 AM CDT, severe thunderstorms were located along a line extending from near Fairbank to near Tf Clark State Park, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Independence, Vinton, Jesup, Center Point, Urbana, Fairbank, Winthrop, Hazleton, Walker, Quasqueton, Lamont, Brandon, Rowley, Aurora, Mount Auburn, Stanley, Troy Mills, Wapsipinicon Golf Course, Vinton Memorial Airport, and Fontana County Park. This includes Interstate 380 between mile markers 33 and 55.

Safety instructions

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. Continuous cloud to ground lightning is occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Hourly

Next hours

NowSunny77°10% rain
11 AMSunny85°8% rain
12 PMSunny87°6% rain
1 PMSunny89°6% rain
2 PMSunny91°5% rain
3 PMSunny92°3% rain
4 PMSunny92°2% rain
5 PMSunny91°2% rain
6 PMSunny90°3% rain
7 PMSunny86°5% rain
8 PMSunny82°8% rain
9 PMClear80°11% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
92° 72°Sunny
Rain 58%Gust 9 mph
Tomorrow2026-08-12
Sunny
82° 66°Sunny
Rain 80%Gust 15 mph
Thursday2026-08-13
Mist
78° 68°Mist
Rain 81%Gust 9 mph
Conditions

Weather details

Feels like79°F
Humidity82%
Pressure29.86 inHg
Visibility6 mi
Wind9 mph ESE
Wind gusts12 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise06:14 AM
Sunset08:18 PM
Moonrise04:12 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 11%).

Light layers should work

It feels like 79°F with winds near 9 mph.

Best window: 8 PM

82°F, 8% rain chance and 7 mph wind.

Allow a little extra driving time

Visibility is around 6 mi; gusts may reach 18 mph.

Good conditions for an easy run

Current temperature is 77°F, wind 9 mph, rain chance up to 11%.

Low UV protection needs

UV index is 2.

Grundy Center weather today

Sunny and 77°F in Grundy Center, IA. Today's high is 92°F with a 58% rain chance. Winds are around 9 mph with gusts near 12 mph. Relative humidity is 82%, pressure is 29.86 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Grundy Center

Sunrise is at 06:14 AM and sunset is at 08:18 PM. Tomorrow's forecast calls for Sunny with a high near 82°F and a low near 66°F. The maximum rain chance is 80%.

Nearby

Weather near Grundy Center

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