Weather StoryAlmanac, microseasons, and the day's weather story.

West Union, Illinois Weather

Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →

West Union weather forecast — hour by hour, 7-day outlook, NOAA radar

West Union, IL
Monday, June 15 at 8:58 PM
66
°
Mostly Clear
Feels like
63°
Humidity
57%
Wind
6 mph
Sunrise
12:23 AM
Sunset
3:18 PM
West Union, IL
Hour by hour · 24h
24-Hour ForecastWest Union, IL: 24-hour forecast. Temperatures range from 56 to 78 degrees Fahrenheit with a 47% chance of precipitation at 3 PM.
L 56°H 78°
West Union, IL
7-day forecast
  1. Today
    Jun 15
    Overcast
    74°60°
  2. Tuesday
    Jun 16
    Light Rain
    47%
    0.09″
    78°56°+4°
  3. Wednesday
    Jun 17
    T-storm w/ Hail
    83%
    0.87″
    85°56°+7°
  4. Thursday
    Jun 18
    Thunderstorm
    83%
    0.01″
    75°63°-10°
  5. Friday
    Jun 19
    Overcast
    13%
    76°58°+1°
  6. Saturday
    Jun 20
    Overcast
    77°58°+1°
  7. Sunday
    Jun 21
    Drizzle
    52%
    0.01″
    75°61°-2°
West Union, IL
Anemometer · 24h winds · from true
NESW
From · True
WSW
253° · backing 98°
Direction
WSW
253°
Sustained
6
mph
Gust
11
mph
Peak 24h
14
avg 5
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 5 · pk 14 @ 12:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 269SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 98° from the wsw.
West Union, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
996.6
-1.3 mb in 3h · falling · 29.43 inHg
Now
996.6
mb
3h
-1.3
mb
12h
-3.4
mb
24h
-1.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 996999
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW998.9995.5995.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
West Union, IL
Air quality
45
AQI
Good
+11 in 6h

AQI 45 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
1.1μg/m³
PM 10Good
1μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
93μg/m³
UV IndexLow
0.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~69%) — afternoon ozone should stay flat.

Present
AQI 44
UV peak
0.0 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5
West Union, IL
Sky cover · visibility · 24h
Cloud cover
37%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
67.5mi
UNLIMITED
101 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
01:58 UTC · West Union, IL · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
01:58 UTC · West Union, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
West Union, IL
Satellite · infrared · animated
West Union, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
West Union, IL
Almanac · Monday, June 15
Cut your thistles before St. John, you will have two instead of one.
Civil dawn
4:52 AM
Sunrise
12:23 AM
Daylight
14h 55m
Sunset
3:18 PM
Civil dusk
8:52 PM
Planting note
Stake and prune tomato suckers. Watch for squash vine borers.
West Union, IL
The moon
New Moon
2% illuminated
Moonrise
6:38 AM
Moonset
9:35 PM
In sign
♋︎ Cancer
West Union, IL
Microseason
Jun 16–20

Heat settles and the rain begins

weather
Jan 146% of the yearDec 31

Read this microseason across nine climate regions →

West Union at a glance

  • Today vs. normal: 10°F below the seasonal normal for this latitude
  • Last frost: April 11 (climatological average for this latitude)
  • Microseason: Jun 16–20
  • Planting window: Stake and prune tomato suckers. Watch for squash vine borers.

16-Day Forecast — West Union

  1. Mon74°60°0%
  2. Tue78°56°47%
  3. Wed85°56°83%
  4. Thu75°63°83%
  5. Fri76°58°13%
  6. Sat77°58°6%
  7. Sun75°61°52%
  8. Mon73°58°52%
  9. Tue74°55°20%
  10. Wed78°62°12%
  11. Thu84°62°16%
  12. Fri86°66°23%
  13. Sat79°64°35%
  14. Sun88°65°35%
  15. Mon85°72°42%
  16. Tue79°65°46%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of June 16, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — West Union

SPC has placed West Union in the Enhanced Risk category for severe thunderstorms day after tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3ENHEnhanced Risk

Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in West Union

  • 62477

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.