Alpha, IL Weather Forecast

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Alpha, IL Weather Forecast

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Alpha IL weather  - Overcast - 69°F
Overcast
69°F
Updated 7:16 am
Feels Like 71°F
Humidity 100%
Wind NE 5 mph
Barometer  30.07 in
Dew Point 69°F
Alpha IL weather  - Overcast - 21°C
Overcast
21°C
Updated 7:16 am
Feels Like 21°C
Humidity 100%
Wind NE 8 km/h
Barometer  101.8 kPa
Dew Point 21°C

Alpha Weather Forecast

TODAY TONIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY SATURDAY
Alpha, IL Weather - Today Mostly Sunny Alpha, IL Weather - Tonight Partly Cloudy Alpha, IL Weather - Labor Day Mostly Sunny Alpha, IL Weather - Monday Night Partly Cloudy Alpha, IL Weather - Tuesday Mostly Sunny Alpha, IL Weather - Tuesday Night Chance Of T-Storm Alpha, IL Weather - Wednesday Partly Sunny Alpha, IL Weather - Wednesday Night Partly Cloudy Alpha, IL Weather - Thursday Partly Cloudy Alpha, IL Weather - Thursday Night Mostly Clear Alpha, IL Weather - Friday Mostly Clear Alpha, IL Weather - Saturday Mostly Sunny
Mostly Sunny Partly Cloudy Mostly Sunny Partly Cloudy Mostly Sunny Chance of T-Storm Partly Sunny Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Sunny
Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 89°FHi: 32°C
Lo: 71°FLo: 22°C Hi: 89°FHi: 32°C
Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C
Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C
Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C
Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C
Hi: 85°FHi: 29°C
POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 556 AM CDT Sun Sep 06 2026 Alpha, IL Weather - WeatherWorld.com

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Issued: 638 AM CDT Sun Sep 6 2026

Key Messages

  • The break in the heat will last through Monday night, followed by hot weather Tuesday and Wednesday, with highs reaching the 90s, but with substantially lower humidity values than recent weather.
  • Showers and storms, some of which may be severe, are likely (60- 90%) Tuesday afternoon through the overnight hours. SPC has issued a Marginal, level 1 of 5, risk for severe storms along and north of an Ottumwa to Muscatine to Galena line.

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/12Z TAFS THROUGH 12Z MONDAY/... Issued at 63...