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Iowa Weather Collection I made this page to post information, videos photos and anything else relevant to severe weather as well as winter weather.

I monitor Linn CO and surrounding areas. Iowa weather changes in a blink but i always have my eyes on the skies.

09/17/2026

The rainy pattern continues! We expect storms to develop overnight tonight and bring a band of heavy rainfall to portions of central to southern Iowa. The ground is already quite saturated from past rainfall and it won’t take as much to see flash flooding impacts. Portions of central and southern Iowa are in a Flash Flood Watch until tomorrow morning so stay weather aware tonight!

Believe it or not we are closing in on the first frost
08/26/2026

Believe it or not we are closing in on the first frost

08/18/2026
08/14/2026

⚠️ SEVERE WEATHER POSSIBLE THIS AFTERNOON & EVENING ⚠️

After this morning’s storms and heavy rain, attention turns to another round of strong to severe thunderstorms later today. A Slight Risk (Level 2 of 5) is in place for portions of Iowa, with damaging winds, large hail, a tornado or two, and additional heavy rainfall possible.

A relative lull is expected from late morning into early afternoon before storms begin redeveloping during the mid to late afternoon. The greatest severe weather threat is expected from late afternoon through the evening, with storms spreading east and potentially organizing into a larger complex tonight.

How quickly the atmosphere recovers from this morning’s storms will determine exactly where the greatest threat develops. Current indications favor areas generally south of Highway 20, although that corridor could shift.

Damaging winds are the primary severe threat, with large hail and a tornado or two also possible, especially with any more isolated storms early on. Torrential rainfall will also remain a concern, and additional heavy rain could quickly lead to flash flooding in areas that have already received significant rainfall.

Stay weather-aware this afternoon and evening as we continue to monitor how the atmosphere evolves.

08/14/2026

⚠️ DERECHO CONFIRMED

The Storm Prediction Center says the MCS that raced from eastern Iowa into northern Indiana today has been preliminarily confirmed as a derecho.

Based on preliminary information, the derecho began around 7:00 AM CDT and continued through at least 12:25 PM CDT.

💨 The strongest measured wind gust received so far was 99 MPH in Gary, Indiana.

Additional storm reports and information will likely come in as the event is reviewed.

08/09/2026

~Heightened Damaging Wind Risk Saturday Night/Sunday~

Conditions continue to be supportive of an MCS (Mesoscale Convective System) tomorrow night through Sunday, particularly for portions of SD, NE, IA, IL, and MO. A sharp instability/moisture gradient will set-up in the red-circled area tomorrow night. As thunderstorms initiate well after sunset (arrival of shortwave), they will likely grow upscale rather quickly and race southeast along the gradient. Swaths of damaging wind gusts are increasingly likely. Assuming the complex can mature and organize, intense wind gusts around 75 mph or greater will be possible.

08/09/2026

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