Updated: February 16, 2020 7:46 am
Next update: February 16, 2020 4:25 pm

WXSIM Forecast for: O'Fallon

Today


Tonight


50% Monday


Monday
night


Tuesday


Tuesday
night


Wednesday


Wednesday
night


Thursday











0
6
7
10
9
7
7
7
5

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Today
0
  Partly cloudy. Relatively mild.
Tonight
6
<0.1 in
PoP: 20%
Partly cloudy in the evening, becoming cloudy after midnight. A slight chance of rain after midnight. Precipitation less than a tenth of an inch.
Monday
7
0.1 in
PoP: 50%
Dense overcast. A chance of rain. Relatively mild. Precipitation mostly around a tenth of an inch.
Monday night
10
<0.1 in
PoP: 40%
Dense overcast in the evening, becoming mostly cloudy after midnight. A chance of rain. Precipitation less than a tenth of an inch.
Tuesday
9
  Cloudy in the morning, becoming partly to mostly cloudy in the afternoon.
Tuesday night
7
  Fair to partly cloudy in the evening, becoming clear after midnight. Wind chill ranging from 19 to 35.
Wednesday
7
  Sunny in the morning, becoming partly to mostly sunny in the afternoon.
Wednesday night
7
  Mostly cloudy to cloudy.
Thursday
5
  Partly cloudy in the morning, becoming sunny in the afternoon.
Thursday night
2
  Clear.
Friday
5
  Sunny.
Friday night
5
  Clear in the evening, becoming partly cloudy after midnight.
Saturday
7
  Partly cloudy in the morning, becoming sunny in the afternoon. Mild.
Saturday night
5
  Clear in the evening, becoming partly cloudy after midnight.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 06:51     17:42    Daylength: 10:50 Today
18:00
4
  30.07 in   Mostly clear.
21:00
5
  30.07 in   Partly cloudy.
 06:50     17:43    Daylength: 10:53 Tomorrow
00:00
6
0.02 in 30.03 in   Mostly cloudy.
Light rain showers.
03:00
7
0.02 in 29.99 in   Cloudy.
Light rain.
06:00
7
  29.96 in   Cloudy.
09:00
7
0.03 in 29.96 in UV
UV Index: 1
Cloudy.
Light rain.
12:00
8
0.02 in 29.90 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
8
0.05 in 29.83 in   Cloudy.
Light rain.
18:00
6
0.06 in 29.83 in   Cloudy.
Light rain.
21:00
7
  29.86 in   Cloudy.
 06:49     17:44    Daylength: 10:55 Tuesday 18 Feb
00:00
9
  29.92 in   Mostly cloudy.
03:00
10
  30.05 in   Partly cloudy.
06:00
10
  30.15 in   Partly cloudy.
09:00
9
  30.26 in UV
UV Index: 2
Sunny.
12:00
8
  30.30 in UV
UV Index: 2
Sunny.
15:00
8
  30.29 in UV
UV Index: 1
Sunny.
18:00
6
  30.36 in   Clear.
21:00
7
  30.45 in   Clear.
 06:47     17:45    Daylength: 10:57 Wednesday 19 Feb
00:00
7
  30.50 in   Clear.
03:00
7
  30.53 in   Clear.
06:00
7
  30.57 in UV
UV Index: 1
Clear.
09:00
7
  30.64 in UV
UV Index: 3
Sunny.
12:00
7
  30.63 in UV
UV Index: 3
Sunny.
15:00
8
  30.57 in UV
UV Index: 1
Sunny.
18:00
7
  30.60 in   Clear.
21:00
7
  30.66 in   Clear.
 06:46     17:46    Daylength: 11:00 Thursday 20 Feb
00:00
7
  30.67 in   Mostly clear.
03:00
7
  30.68 in   Mostly clear.
06:00
6
  30.70 in   Mostly clear.
09:00
5
  30.74 in UV
UV Index: 3
Mostly sunny.
12:00
5
  30.71 in UV
UV Index: 3
Sunny.
15:00
5
  30.64 in UV
UV Index: 1
Sunny.
18:00
3
  30.65 in   Clear.
21:00
2
  30.67 in   Clear.
 06:45     17:47    Daylength: 11:02 Friday 21 Feb
00:00
2
  30.67 in   Clear.
03:00
2
  30.64 in   Clear.
06:00
3
  30.63 in UV
UV Index: 1
Clear.
09:00
4
  30.62 in UV
UV Index: 3
Sunny.
12:00
6
  30.56 in UV
UV Index: 3
Sunny.
15:00
6
  30.44 in UV
UV Index: 1
Sunny.
18:00
4
  30.42 in   Clear.
21:00
5
  30.43 in   Clear.
 06:43     17:48    Daylength: 11:05 Saturday 22 Feb
00:00
6
  30.42 in   Mostly cloudy.
03:00
6
  30.38 in   Mostly cloudy.
06:00
5
  30.37 in UV
UV Index: 1
Mostly cloudy.
09:00
7
  30.39 in UV
UV Index: 4
Mostly sunny.
12:00
8
  30.34 in UV
UV Index: 4
Sunny.
15:00
8
  30.26 in UV
UV Index: 2
Sunny.
18:00
4
  30.27 in   Clear.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 06:51     17:42    Daylength: 10:50 Today
16:00
3
  0% 32.6° 30.07 in   19% 14 miles
17:00
3
  0% 32.4° 30.07 in   79% 14 miles
18:00
4
  0% 32.2° 30.07 in   13% 14 miles
19:00
4
  0% 32.2° 30.07 in   17% 14 miles
20:00
5
  0% 32.4° 30.07 in   25% 14 miles
21:00
5
  0% 32.7° 30.07 in   40% 14 miles
22:00
6
  0% 33.3° 30.06 in   22% 14 miles
23:00
6
  0% 33.7° 30.05 in   25% 14 miles
 06:50     17:43    Daylength: 10:53 Tomorrow
00:00
6
0.01 in 0% 34.0° 30.03 in   52% 13 miles
01:00
7
  0% 34.7° 30.02 in   71% 13 miles
02:00
7
0.01 in 0% 35.6° 30.01 in   90% 13 miles
03:00
7
  0% 36.5° 29.99 in   100% 13 miles
04:00
7
0.01 in 0% 37.0° 29.97 in   100% 13 miles
05:00
7
0.01 in 0% 37.2° 29.96 in   100% 13 miles
06:00
7
  0% 37.5° 29.96 in   100% 14 miles
07:00
7
  0% 37.5° 29.96 in   100% 13 miles
08:00
7
  0% 38.4° 29.96 in   100% 9.1 miles
09:00
7
0.01 in 0% 40.9° 29.96 in   100% 7.6 miles
10:00
7
0.01 in 0% 42.3° 29.95 in UV
UV Index: 1
100% 8.4 miles
11:00
8
0.01 in <20% 43.7° 29.93 in UV
UV Index: 1
100% 9.9 miles
12:00
8
0.01 in <20% 44.8° 29.90 in UV
UV Index: 1
100% 12 miles
13:00
8
  <20% 45.8° 29.87 in UV
UV Index: 1
100% 12 miles
14:00
8
0.01 in <20% 46.4° 29.84 in UV
UV Index: 1
100% 13 miles
15:00
8
0.02 in <20% 46.7° 29.83 in   100% 11 miles
16:00
7
0.02 in <20% 46.9° 29.82 in   100% 11 miles
17:00
7
0.01 in <20% 47.0° 29.82 in   100% 11 miles
18:00
6
0.02 in <20% 46.9° 29.83 in   100% 11 miles
19:00
6
0.02 in <20% 47.2° 29.84 in   100% 11 miles
20:00
6
0.02 in 0% 47.3° 29.85 in   100% 9.7 miles
21:00
7
  0% 46.6° 29.86 in   100% 12 miles
22:00
8
  0% 44.8° 29.87 in   84% 13 miles
23:00
8
  0% 42.1° 29.89 in   67% 13 miles
 06:49     17:44    Daylength: 10:55 Tuesday 18 Feb
00:00
9
  0% 39.7° 29.92 in   51% 14 miles
01:00
10
  0% 38.0° 29.99 in   22% 14 miles
02:00
10
  0% 36.3° 30.02 in   18% 14 miles
03:00
10
  0% 34.8° 30.05 in   16% 15 miles
04:00
10
  0% 33.5° 30.08 in   22% 15 miles
05:00
10
  0% 32.5° 30.11 in   28% 15 miles
06:00
10
  0% 31.9° 30.15 in   31% 15 miles
07:00
10
  0% 31.5° 30.19 in   20% 16 miles
08:00
9
  0% 31.1° 30.23 in   10% 16 miles
09:00
9
  0% 30.3° 30.26 in UV
UV Index: 1
0% 16 miles
10:00
9
  0% 29.9° 30.29 in UV
UV Index: 1
0% 16 miles
11:00
8
  0% 29.4° 30.30 in UV
UV Index: 2
0% 16 miles
12:00
8
  0% 28.8° 30.30 in UV
UV Index: 2
0% 16 miles
13:00
8
  0% 28.4° 30.29 in UV
UV Index: 2
0% 16 miles
14:00
8
  0% 28.0° 30.28 in UV
UV Index: 2
0% 16 miles
15:00
8
  0% 27.5° 30.29 in UV
UV Index: 1
1% 16 miles
Move the mouse over the values for info.

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