Updated: October 21, 2017 4:25 pm
Next update: October 22, 2017 5:25 am

WXSIM Forecast for: O'Fallon

60% Tonight


80% Sunday


Sunday
night


Monday


Monday
night


Tuesday


Tuesday
night


Wednesday


Wednesday
night











11
9
6
9
10
16
6
13
3

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
11
0.25 in
PoP: 60%
Partly cloudy in the evening, becoming cloudy after midnight. Patchy light fog after midnight. A slight chance of rain in the evening, then rain likely after midnight. Precipitation showery or intermittent. Mild. Precipitation mostly around a quarter of an inch.
Sunday
9
1 in
PoP: 80%
Dense overcast in the morning, becoming cloudy in the afternoon. Light to moderate fog in the morning. Rain likely in the morning, then a chance of rain in the afternoon. Precipitation showery or intermittent. Precipitation mostly around an inch.
Sunday night
6
  Mostly cloudy in the evening, becoming partly cloudy after midnight.
Monday
9
  Mostly sunny in the morning, becoming sunny in the afternoon. Mild.
Monday night
10
  Fair in the evening, becoming mostly clear after midnight.
Tuesday
16
  Sunny. Breezy.
Tuesday night
6
  Clear.
Wednesday
13
  Partly cloudy.
Wednesday night
3
  Clear.
Thursday
15
  UV
UV Index: 4
Sunny. Breezy and mild.
Thursday night
9
  Clear in the evening, becoming partly cloudy after midnight.
Friday
10
  Partly to mostly cloudy in the morning, becoming partly cloudy in the afternoon.
Friday night
7
  Partly cloudy. Cold.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 07:20     18:14    Daylength: 10:54 Tomorrow
00:00
11
0.08 in 29.93 in   Mostly cloudy.
Light rain showers.
03:00
11
0.29 in 29.89 in   Cloudy.
Light rain.
06:00
7
0.60 in 29.89 in   Cloudy.
Moderate rain.
09:00
11
0.10 in 29.93 in UV
UV Index: 1
Cloudy.
Light rain.
12:00
10
0.02 in 29.96 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
10
0.01 in 30.00 in UV
UV Index: 1
Mostly cloudy.
Light rain showers.
18:00
7
0.01 in 30.06 in   Partly cloudy.
Light rain showers.
21:00
6
  30.07 in   Partly cloudy.
 07:21     18:12    Daylength: 10:51 Monday 23 Oct
00:00
5
  30.07 in   Partly cloudy.
03:00
5
  30.06 in   Mostly clear.
06:00
4
  30.04 in UV
UV Index: 1
Mostly clear.
09:00
4
  30.04 in UV
UV Index: 4
Mostly sunny.
12:00
6
  29.96 in UV
UV Index: 4
Sunny.
15:00
11
  29.86 in UV
UV Index: 1
Sunny.
18:00
9
  29.90 in   Mostly sunny.
21:00
10
  29.94 in   Mostly clear.
 07:22     18:11    Daylength: 10:49 Tuesday 24 Oct
00:00
11
  29.95 in   Clear.
03:00
11
  29.97 in   Clear.
06:00
10
  29.99 in UV
UV Index: 1
Clear.
09:00
17
  30.02 in UV
UV Index: 3
Sunny.
12:00
18
  29.99 in UV
UV Index: 3
Sunny.
15:00
17
  29.98 in UV
UV Index: 1
Sunny.
18:00
9
  30.04 in   Sunny.
21:00
5
  30.06 in   Clear.
 07:23     18:10    Daylength: 10:47 Wednesday 25 Oct
00:00
6
  30.03 in   Clear.
03:00
5
  29.99 in   Clear.
06:00
5
  29.92 in UV
UV Index: 1
Clear.
09:00
9
  29.85 in UV
UV Index: 3
Partly cloudy.
12:00
14
  29.75 in UV
UV Index: 3
Mostly cloudy.
15:00
13
  29.73 in UV
UV Index: 1
Mostly sunny.
18:00
6
  29.81 in   Mostly sunny.
21:00
2
  29.85 in   Clear.
 07:24     18:09    Daylength: 10:44 Thursday 26 Oct
00:00
0
  29.84 in   Clear.
03:00
2
  29.83 in   Clear.
06:00
4
  29.82 in UV
UV Index: 1
Clear.
09:00
11
  29.79 in UV
UV Index: 4
Sunny.
12:00
15
  29.69 in UV
UV Index: 4
Sunny.
15:00
15
  29.60 in UV
UV Index: 1
Sunny.
18:00
9
  29.63 in   Sunny.
21:00
7
  29.66 in   Mostly clear.
 07:25     18:07    Daylength: 10:42 Friday 27 Oct
00:00
10
  29.74 in   Partly cloudy.
03:00
9
  29.82 in   Partly cloudy.
06:00
8
  29.89 in UV
UV Index: 1
Partly cloudy.
09:00
11
  29.96 in UV
UV Index: 3
Partly cloudy.
12:00
10
  29.96 in UV
UV Index: 3
Partly cloudy.
15:00
12
  29.95 in UV
UV Index: 1
Mostly sunny.
18:00
7
  30.01 in   Mostly sunny.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 07:19     18:15    Daylength: 10:56 Today
00:00
11
0.02 in <20% 62.4° 29.93 in   78% 9.4 miles
01:00
10
0.03 in <20% 63.0° 29.92 in   85% 9.3 miles
02:00
11
0.03 in <20% 64.0° 29.90 in   93% 8.4 miles
03:00
11
0.09 in <20% 64.7° 29.89 in   98% 3.6 miles
04:00
10
0.10 in <20% 64.8° 29.88 in   99% 1.2 miles
05:00
8
0.10 in 20-40% 64.4° 29.88 in   100% 1.0 miles
06:00
7
0.19 in <20% 63.5° 29.89 in   100% 0.8 miles
07:00
7
0.20 in <20% 63.5° 29.90 in   100% 0.8 miles
08:00
9
0.21 in <20% 61.3° 29.92 in   100% 1.4 miles
09:00
11
0.05 in 0% 57.6° 29.93 in UV
UV Index: 1
100% 7.2 miles
10:00
12
0.03 in 0% 56.7° 29.94 in UV
UV Index: 1
99% 8.6 miles
11:00
11
0.02 in 0% 56.6° 29.95 in UV
UV Index: 1
99% 10 miles
12:00
10
0.01 in 0% 56.1° 29.96 in UV
UV Index: 1
98% 14 miles
13:00
10
0.01 in 0% 54.9° 29.97 in UV
UV Index: 1
83% 14 miles
14:00
10
  0% 53.2° 29.98 in UV
UV Index: 1
67% 14 miles
15:00
10
  0% 51.5° 30.00 in UV
UV Index: 1
51% 14 miles
16:00
9
0.01 in 0% 49.7° 30.02 in   45% 14 miles
17:00
8
  0% 48.4° 30.04 in   39% 14 miles
18:00
7
0.01 in 0% 47.8° 30.06 in   35% 14 miles
19:00
6
  0% 47.7° 30.07 in   40% 14 miles
20:00
6
  0% 47.7° 30.07 in   43% 15 miles
21:00
6
  0% 47.6° 30.07 in   44% 15 miles
22:00
6
  0% 47.0° 30.07 in   40% 14 miles
23:00
6
  0% 46.1° 30.07 in   36% 14 miles
 07:20     18:14    Daylength: 10:54 Tomorrow
00:00
5
  0% 45.4° 30.07 in   31% 14 miles
01:00
5
  0% 44.6° 30.07 in   27% 14 miles
02:00
5
  0% 43.8° 30.06 in   24% 14 miles
03:00
5
  0% 43.0° 30.06 in   21% 14 miles
04:00
4
  0% 42.1° 30.05 in   20% 14 miles
05:00
4
  0% 41.1° 30.04 in   19% 14 miles
06:00
4
  0% 40.2° 30.04 in   18% 14 miles
07:00
4
  0% 40.3° 30.05 in   16% 14 miles
08:00
4
  0% 41.5° 30.05 in UV
UV Index: 1
11% 14 miles
09:00
4
  0% 42.9° 30.04 in UV
UV Index: 2
11% 14 miles
10:00
5
  0% 43.3° 30.02 in UV
UV Index: 3
9% 14 miles
11:00
5
  0% 43.5° 29.99 in UV
UV Index: 4
7% 14 miles
12:00
6
  0% 43.8° 29.96 in UV
UV Index: 4
5% 14 miles
13:00
9
  0% 44.8° 29.90 in UV
UV Index: 3
0% 14 miles
14:00
10
  0% 46.2° 29.88 in UV
UV Index: 2
0% 14 miles
15:00
11
  0% 47.1° 29.86 in UV
UV Index: 1
1% 15 miles
16:00
11
  0% 47.2° 29.87 in   1% 15 miles
17:00
10
  0% 47.4° 29.88 in   2% 15 miles
18:00
9
  0% 47.1° 29.90 in   4% 15 miles
19:00
9
  0% 45.7° 29.92 in   7% 15 miles
20:00
9
  0% 43.6° 29.93 in   10% 15 miles
21:00
10
  0% 42.0° 29.94 in   12% 16 miles
22:00
10
  0% 40.7° 29.94 in   8% 16 miles
23:00
11
  0% 39.5° 29.94 in   4% 16 miles
Move the mouse over the values for info.

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