Normal, Illinois 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Normal IL
National Weather Service Forecast for:
Normal IL
Issued by: National Weather Service Lincoln, IL |
Updated: 2:04 am CDT Jun 6, 2025 |
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Today
 Patchy Fog then Mostly Cloudy
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Tonight
 Decreasing Clouds
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Saturday
 Mostly Sunny then Chance Showers
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Saturday Night
 Chance T-storms then Chance Showers
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Sunday
 Mostly Sunny then Chance Showers
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Sunday Night
 Partly Cloudy
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Tuesday
 Sunny
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Hi 78 °F |
Lo 57 °F |
Hi 79 °F |
Lo 60 °F |
Hi 80 °F |
Lo 57 °F |
Hi 76 °F |
Lo 54 °F |
Hi 75 °F |
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Hazardous Weather Outlook
Today
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Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 78. North northeast wind around 5 mph becoming light and variable. |
Tonight
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Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Northeast wind around 6 mph. |
Saturday
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A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Increasing clouds, with a high near 79. Northeast wind 6 to 8 mph becoming south southeast in the afternoon. Chance of precipitation is 50%. |
Saturday Night
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A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 60. East southeast wind around 6 mph becoming northwest after midnight. Chance of precipitation is 40%. |
Sunday
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A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80. West wind 6 to 13 mph, with gusts as high as 18 mph. |
Sunday Night
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Partly cloudy, with a low around 57. West wind 6 to 10 mph, with gusts as high as 16 mph. |
Monday
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Sunny, with a high near 76. West southwest wind 9 to 16 mph, with gusts as high as 24 mph. |
Monday Night
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Mostly clear, with a low around 54. |
Tuesday
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Sunny, with a high near 75. |
Tuesday Night
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Mostly clear, with a low around 56. |
Wednesday
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Sunny, with a high near 81. |
Wednesday Night
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Mostly clear, with a low around 59. |
Thursday
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Mostly sunny, with a high near 82. |
Forecast from NOAA-NWS
for Normal IL.
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Weather Forecast Discussion
809
FXUS63 KILX 060701
AFDILX
Area Forecast Discussion
National Weather Service Lincoln IL
Issued by National Weather Service St Louis MO
201 AM CDT Fri Jun 6 2025
.KEY MESSAGES...
- Despite daily rain chances through Monday, most of central
Illinois will experience below normal rainfall over the next 7
days. Normal rainfall this time of year is about 1 inch per
week. The exception being in areas near and south of I-70 where
there is a 30-50% chance for above normal rainfall.
- Afternoon highs generally in the 70s and overnight lows around
60. The normal high this time of year is around 82 F.
- Any storms that do develop between now and Monday have a low
risk (< 5% probability) of severe weather and/or flash flooding.
- Smokey conditions are forecast again today. The IL EPA has
central IL in the yellow and orange categories. Orange being the
worst being unhealthy for sensitive groups.
&&
.DISCUSSION...
Issued at 155 AM CDT Fri Jun 6 2025
Daily rain chances continue through Monday night. Today is
focused south of I-72, near I-70, then area-wide for the
remainder. Today and tomorrows showers and thunderstorms are
associated with a passing low pressure system that will cut across
central IL overnight tonight. The SPC has us in a marginal risk
for severe weather today (I-70 & south) and tomorrow (I-72 and
south). Both days have a risk for localized damaging winds.
We see a conveyor belt pattern of cold frontal passages into the
new week. Sundays showers and thunderstorms are associated with a
cold front that will travel across the region, not far behind the
first low pressure system of the weekend. Then following this
FROPA, another cold front is set to move through Monday, bringing
us yet another round of rainy weather. BUT have no fear... Tuesday
into much of the day Thursday, we get a break from the wetter
routine, as a high pressure sets up over the area Tuesday morning.
More rain chances return for next weekend.
Temperatures will be dampened by the increased cloud coverage
from the multiple rounds of showers and thunderstorms. Highs look
to be in the upper 70s to low 80s through Wednesday. They will
warm to the low to mid 80s by late week. Lows will generally be in
the upper 50s to low 60s through much of the next week. Tuesday
night will be the chilliest with the lows in the low 50s to near
60.
Copple
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.AVIATION... (For the 06z TAFs through 06z Friday Night)
Issued at 1145 PM CDT Thu Jun 5 2025
A mixture of fog and smoke currently impact the area terminals,
and will work with areas of low stratus (IFR at times) to degrade
flight conditions overnight tonight. These conditions will be
intermittent, but will be occurring more often than not (hence the
prevailing degredations in the TAFs).
Flight conditions will gradually improve after sunrise tomorrow,
though increased rain chances will begin to move north. The best
chances for rain and terminal impacts will be at KSPI, but most of
the TAF sites have some threat for rain through the late morning
into the afternoon. Thunder chances look fairly low, with any
energy of note relegated to a stalled front across southern
Missouri and Illinois.
MRB
&&
.ILX WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
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