Updated: December 7, 2019 4:25 pm
Next update: December 8, 2019 5:25 am

WXSIM Forecast for: O'Fallon

Tonight


Sunday


Sunday
night


Monday


Monday
night


Tuesday


Tuesday
night


Wednesday


Wednesday
night











6
9
8
8
9
6
4
3
7

Temperature/Precipitation/PressureThunder/Dewpoint/Pressure UV/Solar radiation Wind Max/min temperature
  Conditions Temperature Wind Precipitation UV Index Description and notes
Tonight
6
  Clear in the evening, becoming fair to partly cloudy after midnight.
Sunday
9
  Partly to mostly cloudy in the morning, becoming mostly cloudy to cloudy in the afternoon. Relatively mild.
Sunday night
8
  Dense overcast. Relatively mild.
Monday
8
<0.1 in
PoP: 40%
Dense overcast in the morning, becoming cloudy in the afternoon. Patchy light fog. A chance of rain in the morning, then a slight chance of rain in the afternoon. Relatively mild. Precipitation less than a tenth of an inch.
Monday night
9
  Mostly cloudy in the evening, becoming partly cloudy after midnight. Wind chill ranging from 18 to 42.
Tuesday
6
  Partly cloudy. Patchy light fog in the morning.
Tuesday night
4
  Mostly clear in the evening, becoming clear after midnight.
Wednesday
3
  Sunny.
Wednesday night
7
  Clear. Wind chill ranging from 18 to 28.
Thursday
7
  Partly cloudy.
Thursday night
4
  Partly cloudy in the evening, becoming partly to mostly cloudy after midnight.
Friday
2
  Partly cloudy in the morning, becoming partly to mostly sunny in the afternoon. Relatively mild.
Friday night
3
  Mostly cloudy.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Pressure UV Index Description and notes
 07:08     16:41    Daylength: 9:32 Tomorrow
00:00
7
  30.17 in   Clear.
03:00
7
  30.11 in   Clear.
06:00
7
  30.07 in   Clear.
09:00
9
  30.04 in UV
UV Index: 1
Partly cloudy.
12:00
11
  29.96 in UV
UV Index: 1
Mostly cloudy.
15:00
10
  29.88 in   Cloudy.
18:00
8
  29.87 in   Cloudy.
21:00
8
  29.84 in   Cloudy.
 07:09     16:41    Daylength: 9:31 Monday 09 Dec
00:00
9
  29.79 in   Cloudy.
03:00
7
  29.72 in   Cloudy.
06:00
7
0.04 in 29.67 in   Cloudy.
Light rain.
09:00
7
0.02 in 29.66 in UV
UV Index: 1
Cloudy.
Light rain.
12:00
8
0.01 in 29.61 in UV
UV Index: 1
Cloudy.
Light rain.
15:00
10
  29.65 in   Cloudy.
18:00
14
  29.84 in   Cloudy.
21:00
12
  29.99 in   Partly cloudy.
 07:10     16:41    Daylength: 9:31 Tuesday 10 Dec
00:00
11
  30.08 in   Mostly clear.
03:00
8
  30.13 in   Clear.
Light fog.
06:00
5
  30.19 in   Clear.
Light fog.
09:00
5
  30.25 in UV
UV Index: 1
Sunny.
12:00
6
  30.25 in UV
UV Index: 1
Sunny.
15:00
7
  30.23 in   Sunny.
18:00
5
  30.31 in   Clear.
21:00
6
  30.38 in   Clear.
 07:11     16:41    Daylength: 9:30 Wednesday 11 Dec
00:00
4
  30.40 in   Clear.
03:00
2
  30.44 in   Clear.
06:00
1
  30.47 in   Clear.
09:00
2
  30.53 in UV
UV Index: 2
Sunny.
12:00
3
  30.51 in UV
UV Index: 2
Sunny.
15:00
5
  30.47 in   Sunny.
18:00
7
  30.53 in   Clear.
21:00
8
  30.56 in   Clear.
 07:11     16:41    Daylength: 9:30 Thursday 12 Dec
00:00
7
  30.54 in   Clear.
03:00
6
  30.51 in   Clear.
06:00
6
  30.50 in   Clear.
09:00
8
  30.50 in UV
UV Index: 1
Sunny.
12:00
8
  30.43 in UV
UV Index: 1
Sunny.
15:00
6
  30.32 in   Sunny.
18:00
4
  30.31 in   Clear.
21:00
4
  30.30 in   Clear.
 07:12     16:42    Daylength: 9:29 Friday 13 Dec
00:00
4
  30.26 in   Clear.
03:00
3
  30.23 in   Clear.
06:00
2
  30.20 in   Mostly clear.
09:00
2
  30.21 in UV
UV Index: 2
Mostly sunny.
12:00
3
  30.13 in UV
UV Index: 2
Sunny.
15:00
2
  30.05 in   Sunny.
18:00
2
  30.06 in   Mostly clear.
Move the mouse over the values for info.
  Conditions Temperature Wind Precipitation Thunderstorm probability Dewpoint Pressure UV Index Cloud cover Visibility
 07:07     16:41    Daylength: 9:33 Today
23:00
6
  0% 35.7° 30.19 in   0% 16 miles
 07:08     16:41    Daylength: 9:32 Tomorrow
00:00
7
  0% 35.5° 30.17 in   0% 16 miles
01:00
7
  0% 35.2° 30.15 in   0% 16 miles
02:00
7
  0% 35.0° 30.13 in   0% 16 miles
03:00
7
  0% 35.0° 30.11 in   0% 16 miles
04:00
7
  0% 35.1° 30.09 in   1% 16 miles
05:00
7
  0% 35.3° 30.08 in   1% 16 miles
06:00
7
  0% 35.5° 30.07 in   1% 16 miles
07:00
7
  0% 35.8° 30.06 in   1% 17 miles
08:00
8
  0% 37.2° 30.05 in   0% 17 miles
09:00
9
  0% 39.5° 30.04 in UV
UV Index: 1
6% 17 miles
10:00
10
  0% 41.2° 30.02 in UV
UV Index: 1
18% 16 miles
11:00
10
  0% 42.6° 29.99 in UV
UV Index: 1
31% 16 miles
12:00
11
  0% 43.3° 29.96 in UV
UV Index: 1
46% 16 miles
13:00
11
  0% 43.5° 29.93 in UV
UV Index: 1
63% 16 miles
14:00
11
  0% 43.4° 29.90 in UV
UV Index: 1
81% 16 miles
15:00
10
  0% 43.4° 29.88 in   92% 16 miles
16:00
9
  0% 43.3° 29.88 in   95% 16 miles
17:00
9
  0% 43.2° 29.87 in   98% 15 miles
18:00
8
  0% 43.2° 29.87 in   100% 15 miles
19:00
8
  0% 43.1° 29.87 in   100% 15 miles
20:00
8
  0% 43.1° 29.85 in   100% 15 miles
21:00
8
  0% 43.3° 29.84 in   100% 15 miles
22:00
9
  0% 43.6° 29.82 in   100% 15 miles
23:00
9
  0% 43.9° 29.81 in   100% 15 miles
 07:09     16:41    Daylength: 9:31 Monday 09 Dec
00:00
9
  0% 44.0° 29.79 in   100% 15 miles
01:00
8
  0% 44.1° 29.77 in   100% 15 miles
02:00
8
  0% 44.3° 29.75 in   100% 15 miles
03:00
7
  0% 44.8° 29.72 in   100% 14 miles
04:00
7
  0% 45.3° 29.70 in   100% 14 miles
05:00
7
  0% 46.0° 29.68 in   100% 14 miles
06:00
7
0.01 in 0% 46.9° 29.67 in   100% 11 miles
07:00
7
0.01 in 0% 48.1° 29.67 in   100% 7.4 miles
08:00
7
0.02 in 0% 49.6° 29.67 in   100% 6.0 miles
09:00
7
  0% 50.7° 29.66 in   100% 5.0 miles
10:00
7
0.01 in <20% 51.7° 29.65 in   100% 1.8 miles
11:00
7
0.01 in <20% 52.3° 29.63 in UV
UV Index: 1
100% 1.8 miles
12:00
8
  <20% 52.1° 29.61 in UV
UV Index: 1
100% 5.7 miles
13:00
8
0.01 in 0% 51.2° 29.61 in UV
UV Index: 1
99% 13 miles
14:00
9
  0% 49.7° 29.63 in   98% 13 miles
15:00
10
  0% 47.1° 29.65 in   97% 14 miles
16:00
11
  0% 42.5° 29.71 in   98% 14 miles
17:00
13
  0% 36.8° 29.77 in   99% 15 miles
18:00
14
  0% 32.1° 29.84 in   99% 15 miles
19:00
13
  0% 28.9° 29.89 in   80% 15 miles
20:00
13
  0% 26.6° 29.94 in   61% 16 miles
21:00
12
  0% 24.7° 29.99 in   42% 16 miles
22:00
12
  0% 23.2° 30.02 in   35% 16 miles
Move the mouse over the values for info.

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