Local weather forecast

Weather in Garrison, IA

Updated 2026-08-11 10:30 local time · ZIP codes 52229

Patchy rain nearby
Now77°F

Patchy rain nearby

High / Low93° / 73°
Rain chance57%
Wind11 mph
Weather alerts

Active alerts

3
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.

Special Weather Statement issued August 11 at 5:03AM CDT by NWS Quad Cities IA IL

Areas of fog, some locally dense with visibilities under one half mile, can be expected through the morning commute. Motorists should exercise caution this morning, especially during the morning commute, as visibilities may change suddenly over very short distances. This fog is expected to decrease through 8 and 9 AM as showers and thunderstorms increase and move into the area.

Hourly

Next hours

NowPatchy rain nearby77°42% rain
11 AMSunny86°12% rain
12 PMSunny87°9% rain
1 PMPatchy rain nearby89°19% rain
2 PMSunny92°5% rain
3 PMSunny93°5% rain
4 PMSunny93°3% rain
5 PMSunny92°3% rain
6 PMSunny89°5% rain
7 PMSunny87°6% rain
8 PMSunny83°8% rain
9 PMClear81°10% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
93° 73°Sunny
Rain 57%Gust 11 mph
Tomorrow2026-08-12
Sunny
83° 65°Sunny
Rain 80%Gust 22 mph
Thursday2026-08-13
Mist
75° 67°Mist
Rain 81%Gust 7 mph
Conditions

Weather details

Feels like81°F
Humidity94%
Pressure29.87 inHg
Visibility5 mi
Wind11 mph E
Wind gusts14 mph
Precipitation0.01 in
UV index3
Daylight

Sunrise, sunset and moon

Sunrise06:12 AM
Sunset08:15 PM
Moonrise04:11 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 19% over the next 12 hours.

Light layers should work

It feels like 81°F with winds near 11 mph.

Best window: 8 PM

83°F, 8% rain chance and 7 mph wind.

Allow a little extra driving time

Visibility is around 5 mi; gusts may reach 16 mph.

Good conditions for an easy run

Current temperature is 77°F, wind 11 mph, rain chance up to 19%.

Low UV protection needs

UV index is 3.

Garrison weather today

Patchy rain nearby and 77°F in Garrison, IA. Today's high is 93°F with a 57% rain chance. Winds are around 11 mph with gusts near 14 mph. Relative humidity is 94%, pressure is 29.87 inHg, and visibility is about 5 miles.

Tonight and tomorrow in Garrison

Sunrise is at 06:12 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 65°F. The maximum rain chance is 80%.

Nearby

Weather near Garrison

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