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The Iowa Department of Transportation and the forecast provider assume no responsibility for the use of this forecast, forecast errors, or omitted or misstated information. This forecast is strictly advisory in nature and all use, actions, and judgements taken on account of the forecast are solely the responsibility of the user.

Issue Time
11/20/2009 12:00CST

Complementary US Warnings and Watches
Polk County Forecast
Hour (CDT) Road Temp (F) Road Frost Prob (%) Road Evap Rate (gal/LM/hr) Bridge Temp (F) Bridge Frost Air Temp (F) Dew Point(F) Wind Wind Speed (mph) Wind Gust (mph) Precip Type Precip Prob (%) Precip Rate (in/hr) Sky

11/20/2009 12:00CST 63 0 651 61 NO 51 40 S 5 none 0 0.00 mostly clear
11/20/2009 13:00CST 64 0 1003 61 NO 53 42 SSW 8 none 0 0.00 mostly clear
11/20/2009 14:00CST 63 0 761 60 NO 53 40 SSW 6 none 0 0.00 mostly clear
11/20/2009 15:00CST 60 0 528 58 NO 53 40 SW 5 none 0 0.00 mostly clear
11/20/2009 16:00CST 54 0 437 53 NO 51 39 SSW 6 none 0 0.00 mostly clear
11/20/2009 17:00CST 49 0 282 49 NO 49 37 S 6 none 0 0.00 clear
11/20/2009 18:00CST 46 0 153 47 NO 48 36 SSE 4 none 0 0.00 clear
11/20/2009 19:00CST 44 0 130 45 NO 44 35 SSE 5 none 0 0.00 clear
11/20/2009 20:00CST 43 0 108 43 NO 41 35 SSE 4 none 0 0.00 clear
11/20/2009 21:00CST 41 0 60 41 NO 40 34 VAR 2 none 0 0.00 clear
11/20/2009 22:00CST 40 0 73 40 NO 40 33 S 4 none 0 0.00 clear
11/20/2009 23:00CST 39 0 104 39 NO 39 32 S 5 none 0 0.00 clear
11/21/2009 00:00CST 38 0 73 38 NO 37 33 S 4 none 0 0.00 clear
11/21/2009 01:00CST 37 0 74 36 NO 36 31 SSE 4 none 0 0.00 clear
11/21/2009 02:00CST 36 5 49 35 NO 36 32 VAR 3 none 0 0.00 clear
11/21/2009 03:00CST 35 5 69 34 NO 33 30 SSE 4 none 0 0.00 clear
11/21/2009 04:00CST 35 5 69 33 NO 34 30 SE 5 none 0 0.00 clear
11/21/2009 05:00CST 34 5 104 32 NO 33 29 SE 5 none 0 0.00 clear
11/21/2009 06:00CST 33 5 71 31 NO 32 28 SE 5 none 0 0.00 clear
11/21/2009 07:00CST 33 10 51 31 NO 35 31 S 6 none 0 0.00 clear
11/21/2009 08:00CST 36 5 65 33 NO 36 33 S 9 none 0 0.00 clear
11/21/2009 09:00CST 42 0 157 40 NO 41 35 SSE 6 none 0 0.00 clear
11/21/2009 10:00CST 50 0 447 48 NO 44 38 SSE 8 none 0 0.00 clear
11/21/2009 11:00CST 57 0 786 54 NO 48 40 SSE 9 none 0 0.00 mostly clear
11/21/2009 12:00CST 62 0 1230 59 NO 51 42 SSE 10 none 0 0.00 mostly clear
11/21/2009 13:00CST 52 SSE 10 none 0 0.00 partly cloudy
11/21/2009 14:00CST 53 SSE 9 none 0 0.00 partly clear
11/21/2009 15:00CST 54 SSE 9 none 0 0.00 mostly cloudy
11/21/2009 16:00CST 54 SE 9 none 0 0.00 mostly cloudy
11/21/2009 17:00CST 53 SE 10 none 0 0.00 overcast
11/21/2009 18:00CST 52 SE 8 drizzle 20 trace overcast
11/21/2009 19:00CST 51 SE 9 drizzle 20 trace overcast
11/21/2009 20:00CST 50 SE 9 drizzle 20 trace overcast
11/21/2009 21:00CST 49 SSE 7 drizzle 20 trace overcast
11/21/2009 22:00CST 50 SE 9 drizzle 20 trace overcast
11/21/2009 23:00CST 49 SE 10 drizzle 20 trace overcast
11/22/2009 00:00CST 47 SE 10 rain 20 trace overcast
11/22/2009 01:00CST 47 SE 9 rain 20 trace overcast
11/22/2009 02:00CST 48 SE 8 rain 20 trace overcast
11/22/2009 03:00CST 45 SE 9 rain 20 trace overcast
11/22/2009 04:00CST 47 SE 10 rain 20 trace overcast
11/22/2009 05:00CST 45 SE 9 rain 20 trace overcast
11/22/2009 06:00CST 44 SE 9 rain 20 trace overcast
11/22/2009 07:00CST 47 SSE 10 rain 20 trace overcast
11/22/2009 08:00CST 47 S 13 rain 30 trace overcast
11/22/2009 09:00CST 50 SSE 9 rain 30 trace overcast
11/22/2009 10:00CST 51 SSE 10 rain 30 trace overcast
11/22/2009 11:00CST 53 SSE 11 rain 20 trace overcast
11/22/2009 12:00CST 55 S 12 rain 20 trace overcast

Hour (CDT) Road Temp (F) Road Frost Prob (%) Road Evap Rate (gal/LM/hr) Bridge Temp (F) Bridge Frost Air Temp (F) Dew Point(F) Wind Wind Speed (mph) Wind Gust (mph) Precip Type Precip Prob (%) Precip Rate (in/hr) Sky
Total Precipitation Accumulation
0.04
District Discussion
Dry conditions are expected today. Areas of drizzle and light rain showers will be possible Saturday late afternoon/evening into Sunday morning. By Sunday afternoon more substantial rain will be likely as a frontal boundary moves through the region.
State Discussion
Dry conditions are expected statewide today. Widespread low level moisture will move into the state from south to north Saturday afternoon and evening bringing the possibility of areas of drizzle or light rain showers. The chance of light precipitation will continue overnight into Sunday. More substantial rain is expected to move across the state Sunday afternoon into Monday as a front crosses the region.